Trademark	Trademark Holder
D-Salt	Thermo Fisher Scientific
D-Tek	Bacou Safety
D-Tipper	Medical Laboratory Automation
D-Tube	EMD Chemicals Inc.
D.C.L.S. Agar	BD (Becton, Dickinson and Company)
Da Vinci	Brinkmann Instruments
DAB/Out	Triangle Biomedical
Dabco	Air Products
Dacron	E.I. duPont de Nemours
Daiichi	Daiichi Pharmaceutical Co., Ltd.
DaimlerChrysler	DaimlerChrysler
Dalapon	Dow Chemical
Dalloz Safety	Dalloz Safety
Danam	Hans L. Jorgensen
Daniels	Daniels Corporation
Dap	Dap, Inc.
Darco	American Norit Co.
Dark Reader	Clare Chemical Research, Inc.
Darley	Darley
DARWIN	Thermo Fisher Scientific
Darwin LIMS	Thermo Fisher Scientific
DAS-3	Control Co.
DAS-4	Control Co.
Data Cal	Thermo Fisher Scientific
Data Dependent	Thermo Fisher Scientific
Data Explorer	AB SCIEX
Data Highway	Rockwell Automation, Inc.
Data Matrix	Thermo Fisher Scientific
DataCOLLECT	Thermo Fisher Scientific
DataDetective	AppletWare Inc.
Datadisk	Ultra Scientific Inc.
Datadock	LifeScan, Inc.
DataPLUS	Thermo Fisher Scientific
DataQuest	Dataquest International, Inc
DataRAM	Thermo Fisher Scientific
DataRAM 4	Thermo Fisher Scientific
DataSend	Thales Navigation
DataTemp	Raytek Corporation
DataTrac	Biomerieux, Inc.
DateMate	ZServe Corp.
Davisil	W.R. Grace & Co.
DB	Agilent Technologies, Inc.
dBase	Ashton-Tate
DBI/Sala	DBI/Sala
DCA 2000	Bayer Corp.
DCMSLink	Thermo Fisher Scientific
DCR	CHEMetrics Inc.
DDC MEDICAL	DNA Diagnostic Center, Inc.
De-Icer	LaCrosse Footwear, Inc.
de•fend	Fendall, Inc.
DeadDye	Cellomics
DeadEnd	Promega Corp.
Death Check	Promega Corp.
DEB SBS	DEB SBS Inc.
DebrisGuard	Garner Industries
DEC	Digital Equipment Corporation
Dec-60	Technicon Instruments
Deca-Probe	Hoefer, Inc.
DecaLabel	Thermo Fisher Scientific
Decalin	Sigma-Aldrich Co LLC
DecapiCone	Braintree Scientific, Inc.
DECAprime	Ambion, Inc.
DeciDamp2	North Safety Products
DeciGuard AB	North Safety Products
DeciSlide	Fisher Scientific
DecNet	Digital Equipment Corporation
Decon	Decon Laboratories
DeconDecks	UltraTech International
Deconlabsinc.	Decon Laboratories
Deep Purple	GE Healthcare
Deep Vent	New England Biolabs
DeepWell	Thermo Fisher Scientific
Deepwell Plates	Eppendorf AG
DefendAIR	Draeger Safety
Defender	Wells Lamont Industrial Products
Defendex	Fire-Dex
Define	Fisher Scientific
Deflect	DEB SBS Inc.
DeKapitator	Thermo Fisher Scientific
Dekasol	MP Biomedicals
Delat	Contec Inc.
Delayed Extraction	AB SCIEX
Dell	Dell Computer Corporation
Delrin	E.I. duPont de Nemours
Delta	Labconco
Delta No-Tangle	DBI/SALA
Delta Soft	BioMetallics
Delta T	Bioptechs Inc.
Delta V	Thermo Fisher Scientific
Deltaphase	Braintree Scientific, Inc.
DeltaRange	Mettler Toledo
Demicap	domnick hunter
Demiframe	H.L. Bouton
Densito	Mettler Toledo
Denver Instrument	Denver Instrument
DenverCal	Denver Instrument
Depakene	Sanofi-Synthelabo
Dequest	Monsanto Corp.
Derma Care	Microflex Medical
Derma Free	Microflex Medical
Derma Plus	Benchmark Commercial, Inc.
Derma Shield	Benchmark Commercial, Inc.
DermaThin	Best Mfg.
DermaTube	Thermo Fisher Scientific
DeSCAL	Decon Laboratories
Desco	Desco Industries, Inc.
Desi-Vac	Control Co.
Desi-Vac Container	Control Co.
DesiCan	Bel-Art Products
Desicooler	Fisher Scientific
DesiSphere	Plas-Labs
DeskBrite	Carson Optical
Deskjet	Hewlett-Packard
Deskpro	Compaq Computer Corporation
Desoxycholate	BD (Becton, Dickinson and Company)
Desoxycholate Agar	BD (Becton, Dickinson and Company)
Desoxycholate-Citrate Agar	BD (Becton, Dickinson and Company)
DESQ view	Quarterdeck Office Systems
DeStreak	GE Healthcare
Detachin	Genlantis
Detecter	Bilsom
Detergent 8	Alconox
Determine	Alere
Detoxi-Gel	Thermo Fisher Scientific
Devcon	ITW Devcon Corporation
Devel-A-Tab	Immunostics, Inc.
DevelopFile	Linear Instruments
DEX	Bayer Corp.
DEXPAT	TaKaRa Shuzo Co.
Dflex	Best Mfg.
DFS	Thermo Fisher Scientific
dh	domnick hunter
DH5α	Life Technologies, Inc.
DH5αF'	Life Technologies, Inc.
Dharmacon	Dharmacon
DharmaFECT	Dharmacon
DHSS	Horiba
DI-Pak	Millipore Corp.
Diaflex	Millipore Corp.
Diaflo	Millipore Corp.
Diafun	Carl Zeiss
DiagnosticShipper	Tegrant Corporation
Diagnostix	ADC
Dial-O-Gram	Ohaus Corp.
Dialet	Home Diagnostics, Inc.
DialySafety	Covidien (Kendall Healthcare)
DiaMAT	Bio-Rad Laboratories
Diamedix	Diamedix Corporation
Diamond	Gilson
DIamond	Thermo Fisher Scientific
Diamond	MSA
Diamond Grip	Microflex Medical
Diamondplatespongecote	Tennessee Mat Company, Inc.
Diamondswabs	Coventry
Diamonite	Spartech
DiaScreen	Hypoguard
DiaSTAT	Bio-Rad Laboratories
Diastix	Bayer Corp.
Dickson	Dickson/Unigage Inc.
Difco	Difco Laboratories
DIFF-SAFE	Alpha Scientific Corporation
DIFFCOUNT	Modulus Data Systems
Differex	Promega Corp.
DiffSpin	StatSpin Technologies, Inc.
Diggin' Up Dinosaurs	Smithsonian Institution
Digi-Day	Hytech Worldwide, Inc.
Digi-MAX	Bel-Art Products
Digi-Sense	Cole-Parmer Instrument Co.
Digiboard	Digi International Inc.
DIGIC	Canon
DigiCal	MSA
DigiCam	Spectronics Corp.
Digicon	Thermo Fisher Scientific
DigiCounter	Giles Scientific
DigiDoc-It	Ultra Violet Products Inc.
DigiPro	Labo America
Digital Buret	Brand GmbH & Co.
Digital Home	Echelon Corp.
digital LogR	Thermo Fisher Scientific
Digital Syringe	Hamilton Co.
Digitrate	Jencons Scientific
Digitrate Pro	Jencons Scientific
DigiZoom	Labo America
Dilantin	Warner-Lambert Co.
Dilu-Lok	Hardy Diagnostics
Dilupack	Coulter International Corp.
Dimacid	Otis Clapp & Son
Dimage	Minolta Kabushiki Kaisha
Dimage EX	Minolta Kabushiki Kaisha
Dimension	Dade Behring Inc.
Dimension	E.I. duPont de Nemours
Dimension	Dell Computer Corporation
Dimension	Siemens Health Care Diagnostics
Dimension Vista	Siemens Healthcare Diagnostics
Dimension VISTA	Siemens Health Care Diagnostics
Diners Club	Diners Club International
Dino Math Tracks	Learning Resources, Inc.
Dinoseb	Rohm and Haas
Dionex	Thermo Fisher Scientific
Dionium	Thermo Fisher Scientific
Dip N Count	Starplex Scientific
Dipstik	North Safety Products
Direct Grip	Shelby Group International
Direct PCR symbols	Thermo Fisher Scientific
Direct-Connect	Alltech Associates
Direct-Connection	Thermo Fisher Scientific
Direct-Q	Millipore Corp.
DirectCal	Thermo Fisher Scientific
Directigen	BD (Becton, Dickinson and Company)
Directigen 1-2-3	BD (Becton, Dickinson and Company)
DirecTorr	Welch Vacuum
DirectStack	Millipore Corp.
DirectX	Microsoft Corp.
Discover Card	Novus Credit Services, Inc.
Discoverer	Thermo Fisher Scientific
Discovering Beyond Imagination	Corning
DiscoverLight	Thermo Fisher Scientific
Discovery	Thermo Fisher Scientific
Discovery Channel	Discovery Communications, Inc.
Discovery Channel Young Scientist Challenge	Discovery Communications, Inc.
Discovery Education	Discovery Communications, LLC
Discovery Kit	Patrick/Pillon DBA Cogent, Inc.
Discovery Line	Invitrogen
Discovery School	Discovery Communications, Inc.
Discovery Scope	Discovery Scope, Inc.
Discups	Cargille Laboratories
DISKIT	U.S. Safety
Dispensette	Brand GmbH & Co.
DispensODisc	Difco Laboratories
Dispenstirs	BD (Becton, Dickinson and Company)
DispensTube	BD (Becton, Dickinson and Company)
Dispette	Guest Medical AG
DispoDialyzer	Spectrum Laboratories
Dispos-A-Board	FSI North America
dispos-a-filter	Geotech environmental Equipment, Inc.
Disposaflex	Kontes Glass
DiST	Hanna Instruments
Dividastrips	Thermo Fisher Scientific
DLR	Promega Corp.
DLReady	Promega Corp.
DLTtape	Quantum Dot Corporation
DMEM-RS	Thermo Fisher Scientific
DMEM/F12-RS	Thermo Fisher Scientific
DNA Away	Molecular BioProducts
DNA Depot	Chirikjian, Jack G.
DNA DIpStick	Invitrogen
DNA Engine	Bio-Rad
DNA Plus	USA Scientific, Inc.
DNA Report Card	Edvotek
DNA-BIND	Corning
DNA-Erase	MP Biomedicals
DNA-Prep	Beckman Coulter
DNAPac	Thermo Fisher Scientific
DNAPhor	Thermo Fisher Scientific
DNARelease	Thermo Fisher Scientific
DNase Displace	Fox West Sales
DNASwift	Thermo Fisher Scientific
DNATrak	Perkin Elmer Corporation
DNAzol	MP Biomedicals
DNotion	5 PRIME
DNS	Dainippon Screen
DOA-XSE	Thermo Fisher Scientific
Doc-It	Ultra Violet Products Inc.
DOCUMENT	Casco Standards
Doff-It	HazMat DQE
Dog Shield	North Safety Products
Dolby	Dolby Laboratories Licensing Corporation
Domino's	Domino's Pizza
domnick hunter	domnick hunter
Don-it	HazMat DQE
Donkey Kong	Nintendo of America
Dosino	Metrohm Ltd.
Dotblot	Gen-Bio
Dotcam	Path 1 Network Technologies Inc.
Double Matrix	U.S. Safety
Double-Safe	H-B Instrument Company
Doubledeep	Thermo Fisher Scientific
DoubleDigest	Thermo Fisher Scientific
DoubleWeigh	Environmental Express
Dow	Dow Chemical
Dow Corning	Dow Corning
Dowex Minix	Dow Chemical
DP	National Scientific Co.
DPC	Thermo Fisher Scientific
DPPIV-Glo	Promega Corp.
Dr. FuelCell	Heliocentris
Dr. GenTLE	TaKaRa Shuzo Co.
Dr. Scholl's	Schering-Plough Corporation
Dr. Spin	Genlantis
Dräger	Draeger Safety
Dräger CMS	Draeger Safety
DraegerTubes	Draeger Safety
Drag-Bag	Air Systems International
Drager	Draegerwerk AG
DragerSensor	Draeger Safety
DragonFly	MSA
DrainGuard	UltraTech International
Drawer/Ganizers	Spectrum Laboratories
DreamTaq	Thermo Fisher Scientific
DRI	Thermo Fisher Scientific
Dri Hep	BD (Becton, Dickinson and Company)
Dri-Bath	Thermo Fisher Scientific
Dri-Cal	Thermo Fisher Scientific
Dri-Clean	Decon Laboratories
Dri-Contrad	Decon Laboratories
Dri-Dye	Awareness Technology
Dri-Lex	Faytex Corp.
Dri-Pure	Genevac Ltd.
Dricote	Fisher Scientific
Drierite	W.A. Hammond Drierite Co.
DRIHEP	BD (Becton, Dickinson and Company)
DRIHEP PLUS	BD (Becton, Dickinson and Company)
Drop-It	Bio-Plexus, Inc.
Drummond	Drummond Scientific
DrumRack	UltraTech International
DrumsUp	Enpac Corp.
Dry Vials	Sun SRI
Dry-Keeper	Bel-Art Products
Dry-Up	Kimberly-Clark Corp.
DryBrow	American Allsafe Co.
DryEase	Invitrogen
DryFast	Welch Vacuum
Dryfast Ultra	Welch Vacuum
Drygel	Hoefer Inc.
DryKeeper Plus	Bel-Art Products
DryLab	L C Resources Inc.
Dryline	Gillette Company
DryPal	Mettler Toledo
DrySlide	BD (Becton, Dickinson and Company)
DrySpot	Thermo Fisher Scientific
Dryzyme	Edvotek
DS1000	Industrial Scientific
DS2	Mediatech, Inc.
DS2	Dynex Technologies, Inc
DSC	Distributors Service Corporation
DSQ	Thermo Fisher Scientific
DSQII	Thermo Fisher Scientific
DSQII DuraBriteXL	Thermo Fisher Scientific
DSX	Dynex Technologies, Inc
DTsixty	Johnson & Johnson
Dual Gel Vertical System	Thermo Fisher Scientific
Dual Label Technology (DLT)	Genzyme Corporation
Dual Lock	3M
DUAL STAR	Thermo Fisher Scientific
Dual-Action	BioTek
Dual-Cool	Bullard Company
Dual-Glo	Promega Corp.
Dual-Luciferase	Promega Corp.
DualColor	Thermo Fisher Scientific
Dualex	Millipore Corp.
Duall	Kontes Glass
DuaLogR	Cole-Parmer Instrument Co.
DualTech	Miller by Sperian
DualView	Carson Optical
DUB-Glo	Promega Corp.
Duet	Labconco
Duet	LXN Corp.
Duke Standards	Thermo Fisher Scientific
Duo	Technicon Instruments
Duoflex	Bacou-Dalloz
Duolite	Rohm and Haas
DuoPak	MicroBioLogics
DuoSeal	Welch Vacuum
DuoSet	R&D Systems, Inc.
DuoSource	Edvotek
Duospore	Propper Manufacturing
DuoSpray	AB SCIEX
Duponol	Witco
DuPont	E.I. duPont de Nemours
Dura-Fit	Cardinal Health
Dura-Grind	Wheaton Inc.
Dura-Mesh	Moldex-Metric, Inc.
Dura-Pak	Cardinal Health
Dura-Shield	Accuform Signs
Dura-Trac	Cardinal Health
Dura-Trol	Leonard Valve Company
Durabilt	Durabilt Inc
Durables	Kappler USA
Durabond	Agilent Technologies, Inc.
DURABRITE	Thermo Fisher Scientific
Durac	HBE International
DURAC	H-B Instrument Co.
Duracell	Duraname
DuraFlex	Dalloz Fall Protection
DuraFlex	Thermo Fisher Scientific
Duraflexharness	Miller Fall Protection
Durafuge	Jouan Inc.
Duralite	Aearo Technologies
Duramide	CBM Intellectual Properties, Inc.
Duramold	Rubbermaid
Duran	Schott Glaswerke Corporation
Durapore	Millipore Corp.
Duraprene	Cardinal Health
DuraProbe	Thermo Fisher Scientific
DuraScrim	Tingley Rubber Co
Duratouch	Ansell
Duratube	Millipore Corp.
DuraVent	Kappler USA
Durotech	Hub Fabric Leather Company
DurOx	WTW Measurement Systems
Durx	Berkshire Corp.
Durx	Rubbermaid
Dust'It	Control Co.
DustDemon	Aearo Technologies
Dustfoe	MSA
Dustless Precision Pellets	Holten Industries, Inc.
DVO	Bacou-Dalloz
Dwyer	Dwyer Instruments, Inc.
DX	Aearo Technologies
DXR	Thermo Fisher Scientific
DXTRAD	Thermo Fisher Scientific
Dybenal	Boots Pure Drug
DYEnamic	GE Healthcare
DyLight	Thermo Fisher Scientific
Dyna-Brake	MSA
Dyna-Lock	MSA
Dynabeads	Invitrogen Corp. (Life Technologies Corp.)
Dynac	BD (Becton, Dickinson and Company)
DynaLift	SP Industries
Dynalon	Dynalon
Dynamass	Millipore Corp.
Dynamate	Contec Inc.
DyNamix	Berkshire Corp.
DynaMix	Fisher Scientific
DyNAmo	Thermo Fisher Scientific
Dynamo	Fascinations
DynaPumps	Neptune Products
DynaSharp	Thermo Fisher Scientific
DyNAzyme	Thermo Fisher Scientific
Dyneema	DSM High Performance Fibers
Dynex	Thermo Fisher Scientific