Trademark	Trademark Holder
L	Perfex Corporation
L/S	Cole-Parmer Instrument Co.
L4	Pelican Products
LA Taq	TaKaRa Shuzo Co.
La-Pha-Pack	La-Pha-Pack
Lab Armor	Lab Armor
Lab Essentials	GE Healthcare
Lab File	Wheaton Inc.
Lab Lemco	Thermo Fisher Scientific
Lab Lids	Hubbard Scientific
Lab Pal	Brady Corp.
Lab Vision	Thermo Fisher Scientific
Lab Vision Autostainer	Thermo Fisher Scientific
Lab-Aids	Lab-Aids, Inc.
Lab-Aire	Bel-Art Products
Lab-Jack	Boekel Scientific
Lab-Line	Thermo Fisher Scientific
Lab-Tek	Thermo Fisher Scientific
Lab-View	Diversified Woodcrafts
LabAid	Thermo Fisher Scientific
LabAlliance	Scientific Systems
LabChip	Caliper Life Sciences, Inc.
Labconco	Labconco
LabConnect	Thermo Fisher Scientific
LabCooler	Thermo Fisher Scientific
Label IT	Mirus Corporation
Label-Off	Bel-Art Products
Labelizer	Brady Corp.
LabelMark	Brady Corp.
LabGlass	LabGlass
LabGuard	Minigrip/Zip-Pak
LabHand	Diversified Woodcrafts
LabLink	Medical Analysis Systems
LabLink xL	Thermo Fisher Scientific
LabMaster SI	Lightnin
Labmat	Bel-Art Products
Labomed	Labo America
Laboport	KNF Neuberger
Labpette	Labnet International, Inc.
LabpetteR	Labnet International, Inc.
LabPRO	Rheodyne LLC
LABQUAKE	Lab Industries
Labquake	Thermo Fisher Scientific
LabRecord	Thermo Fisher Scientific
LabReporter	Fisher Scientific
Labscale	Millipore Corp.
Labset	Kimble Glass
LabSolutions	Labconco
Labsonic	Sartorius
LabStation	Edvotek
Labstix	Bayer Corp.
Labsystems	Thermo Fisher Scientific
Labtainers	Thermo Fisher Scientific
LabTemp	Biosynergy, Inc.
LABTITE	RD Plastics
LabTop	Control Co.
LabTrace	Fisher Scientific
LabVision	Diversified Woodcrafts
Labworldsoft	IKA Works
Labwriter	Thermo Fisher Scientific
LabX	Mettler Toledo
Labx	Berkshire Corp.
LABXPERT	Brady Corp.
LaChromUltra	Hitachi
LaCrosse Rainfair	LaCrosse Rainfair Safety Products
Ladderman	TaKaRa Shuzo Co.
Ladies Metal	H.L. Bouton
Ladish	Ladish Co. Inc.
Lamba	American Allsafe Co.
Lambda	Corning
Lambda ZAP	Stratagene
LambdaGEM	Promega Corp.
LaMotte	LaMotte Chemical Products Co.
Lancer	Sherwood Medical
Lands' End	Lands End
Lanoxin	Glaxo Wellcome Inc.
LANtastic	Artisoft, Inc.
LanthaScreen	Invitrogen Corporation
Lanx	Xymid, L.L.C.
LapLink	Traveling Software
Laser Film Technology	Millipore Corp.
Laser Guide	Raytek Corporation
Laser Point	Raytek Corporation
Laser Spot	Pelican Products
Laser-Aid	Sperian
Laser-Gard	Glendale Protective Technologies
Laser-Line	Glendale Protective Technologies
Laser-Lite	Howard Leight
Laser-Med	Glendale Protective Technologies
Laser-Trak	Howard Leight
Laserflex	Pelican Products
LaserJet	Hewlett-Packard
Last-Drop	Alltech Associates
Latitude	CBM Intellectual Properties, Inc.
Latitude HT	Cambrex Corporation
Lauda	Lauda Dr. R. Wobser
Lavoptik	H.L. Bouton
LBS	BD (Becton, Dickinson and Company)
LC IsoLink	Thermo Fisher Scientific
LCQ	Thermo Fisher Scientific
LCQ FLEET	Thermo Fisher Scientific
LCQuan	Thermo Fisher Scientific
LCx	Abbott Labs
LD-Achroplan	Carl Zeiss
Le Maitre	Le Maitre
Leakator	Bacharach Inc
Leakbuster	Starplex Scientific
Leap	Leap Technologies
Learning Clock	Learning Resources, Inc.
Leco	Leco
Legaci	Thermo Fisher Scientific
Legal Sea Foods	Legal Sea Foods
Legend	Thermo Fisher Scientific
Leica	Leica Microsystems, Inc.
Leight	Howard Leight
Leightning	Howard Leight
LeLoop	Decon Laboratories
Lemo	Interlemo Holding S.A.
Lens Pod	Eye Safety Systems
Lensclean	H.L. Bouton
Lenscope	Bausch & Lomb, Inc.
LensPen	Parkside Optical, Inc.
Lensx	Berkshire Corp.
Lenzing FR	Lenzing Aktiengesellschaft
LeStab	Decon Laboratories
LeStreak	Decon Laboratories
Let's Tackle Math!	Learning Resources, Inc.
Leucolab	Maco Pharma
LEUKO EZ VUE	Techlab Enteric Diagnostics
LeukoStat	Fisher Scientific
Levitron	Creative Gifts, Inc.
Lexa	Aearo Technologies
Lexan	General Electric Co.
Lexmark	Lexmark International Inc.
LGT	Bacou-Dalloz
LI-COR	LI-COR Biosciences
LIAISON	DiaSorin S.p.A.
Liberase	Roche Diagnostics
LichroCART	Merck KGaA, Darmstadt, Germany
LiChrosorb	The Merck Group
LiChrospher	The Merck Group
LidBac	Brinkmann Instruments
Life	Life Corporation
Life Technologies	Life Technologies, Inc.
LIFECYCLE	USCS Equipment Technology Solutions
LifeLocator II	UltraVision Security Systems, Inc.
Lifenet	Kappler USA
LIFEOXYGENPAC	Life Corporation
LIFEPAK	Physio-Control Corporation
LifeSaver	Emergency Medical Instrument Co.
LifeScan	Johnson & Johnson
LifeSecure	LifeSecure Emergency Solutions
Lifetime Red	Corning
LifterSlip	Thermo Fisher Scientific
Ligation Express	Clontech Laboratories, Inc.
Light 'N' Strike Math	Learning Resources, Inc.
Light Sticks	Cyalume Technologies
Light Task II	North Safety Products
Light Task Plus 3	North Safety Products
LightCycler	Roche Diagnostics
LightHawk	Koehler-Bright Star, Inc.
Lightnin	Lightnin
Lightning	BioControl Systems
Lightning MVP	BioControl Systems
Lightning Volt	Thermo Fisher Scientific
LightShift	Thermo Fisher Scientific
LIN-C	Coulter International Corp.
LINAC	AB SCIEX
Linbro	MP Biomedicals
Lincoln Logs	Playskool, Inc.
Lindberg/Blue M	Thermo Fisher Scientific
Linear	Thermo Fisher Scientific
Linear	Thermo Fisher Scientific
Linear	Simmler, Inc.
Linear-K	Whatman Inc.
LinenTest	Carson Optical
LiniCal	International Enzymes, Inc.
Linistain	Thermo Fisher Scientific
Linistat	Thermo Fisher Scientific
Link 'N' Learn	Learning Resources, Inc.
Link-Lock	Enpac Corp.
LINK2	BD (Becton, Dickinson and Company)
LintGuard	Kimberly-Clark Corp.
Linux	Linus Torvalds
LipiMate	Thermo Fisher Scientific
LipoClear	StatSpin Technologies, Inc.
LipoTAXI	Genetic Applications
Liqua-Trol	Hycor Biomedical
LiquiChem	Hematronix Inc.
Liquid Handling Control	BioTek Instruments
Liquid QC	International Enzymes, Inc.
Liquihep	BD (Becton, Dickinson and Company)
Liquimmune	Thermo Fisher Scientific
LiquiNox	Alconox
LiquiPhysics	Mettler Toledo
Liquiport®	KNF Lab
LiquiSystems	Mettler Toledo
Lite 'n Grit	Norcross Safety Products
Lite Force Plus	Morning Pride Manufacturing
Lite Mite	Stocker &Yale
LiteBox	Streamlight, Inc.
LiteLine	Flexlite Inc.
LiteTouch	Rainin Instrument Co., Inc.
Little Nicky	Array Medical
Little Shot	Boekel Scientific
LiveCell	Molecular Cytomics Inc.
Lizard	Spellbound Development Group, Inc.
Llbean	L.L. Bean
LMW	Triangle Biomedical
Lo-Dose	BD (Becton, Dickinson and Company)
Load 'n GLO	Mirus Corporation
Load and Lock	Ziamatic Corporation
LOCATE	R-Biopharm Rhone, Ltd.
Locator	Thermo Fisher Scientific
Lock-A-Lens	Aearo Technologies
Lockalarm	MSA
Lockin' Arm	American Allsafe Co.
LockSafe	Tennessee Mat Company, Inc.
Lockview	CompX Security Products
LockWell	Thermo Fisher Scientific
Loctagon	Wheaton
Loctite	Loctite Corporation
Logal	Riverdeep Interactive Learning Limited
Logic	Labconco
Logic+	Labconco
LogR	Thermo Fisher Scientific
LogStraight	Mettler Toledo
Lok-Kit II	Curtis Computer Products
Lok-Tor	Milwaukee Electric Tool
Lollipop	Control Co.
Lon	Echelon Corp.
Loncet	Tecnol, Inc.
Long Ranger	BioWhittaker Molecular Applications
Long-Length	Oak Technical Inc.
Longlife	Spectronics Corp.
LongLine	Phoenix Medical Technology
LonMaker	Echelon Corp.
LonMark	Echelon Corp.
Lontalk	Echelon Corp.
LonWorks	Echelon Corp.
Looney Tunes	Time Warner Entertainment Company
LoopMop	Micronova Manufacturing
LopHene	Decon Laboratories
Loprodyne	Pall Corporation
Lotion Soft	Steris Corp.
Lotus	Lotus Development
Loudmouth	Earmark Inc.
LoVial	National Scientific Co.
Lovibond	Tintometer Ltd.
Low Maintenance Triode	Thermo Fisher Scientific
Low Pro	American Allsafe Co.
LowBot	Thermo Fisher Scientific
Lowboys	Nalge Nunc International
LpH	Steris Corp.
LS1000	Thermo Fisher Scientific
LS250	Thermo Fisher Scientific
LSI	Abbott Molecular
LSM	Organon Teknika B.V.
LTF	Quidel Corp.
LTQ	Thermo Fisher Scientific
LTQ FT	Thermo Fisher Scientific
LTQ FT ULTRA	Thermo Fisher Scientific
LTQ Orbitrap	Thermo Fisher Scientific
LTQ ORBITRAP DISCOVERY	Thermo Fisher Scientific
LTQ ORBITRAP ETD	Thermo Fisher Scientific
LTQ Orbitrap Velos	Thermo Fisher Scientific
LTQ ORBITRAP XL	Thermo Fisher Scientific
LTQ Velos	Thermo Fisher Scientific
LTQ XL	Thermo Fisher Scientific
LTS	Rainin Instrument Co., Inc.
LubeRite	Justrite Mfg. Co.
Lubri-Flo	Kimble Glass
Lubriseal	Thomas Scientific
Luciferin-EF	Promega Corp.
Lucite	E.I. duPont de Nemours
LucLite	Packard Instrument Co.
Ludox	E.I. duPont de Nemours
Luer-Lok	BD (Becton, Dickinson and Company)
LUM-T	Charm Science
Lumarod	Brock Optical, Inc.
Lumi-Phos	Lumigen
Lumi/Kit	Fotodyne
LumiDome	Carson Optical
Lumigen	Lumigen, Inc.
LumiGLO	KPL, Inc.
LumiGLO Reserve	KPL, Inc.
LumiLoupe	Carson Optical
Luminal	Abbott Labs
Luminaris	Thermo Fisher Scientific
Luminator	MSA
Luminex	Luminex Corp.
Luminex 100	Luminex Corp.
Luminoskan	Thermo Fisher Scientific
Luminox	Alconox
LumiNunc	Thermo Fisher Scientific
Luna	Phenomenex Inc.
Lux	Lux Scientific, Inc.
Luxeon	Streamlight, Inc.
Luxol	E.I. duPont de Nemours
LVI	Wheaton Inc.
LXQ	Thermo Fisher Scientific
LxT	Kimberly-Clark Corp.
LxTech	Safeskin Corp.
Lycra	E.I. duPont de Nemours
LYFO DISK	Microbiologics
LyfoCults	Quality Technologies, LLC
Lymphoprep	Axis-Shield PoC AS
LymphoSep	MP Biomedicals
Lynx	Merck KGaA
Lynx	MSA
LyoCheck	Thermo Fisher Scientific
Lyph-Lock	Labconco
LyphoCells	Edvotek
LyphoProteins	Edvotek
LyphoSample	Edvotek, Inc.
Lyse S	Coulter International Corp.
Lyse-N-Go	Thermo Fisher Scientific
Lysol	Lehn &Fink Products Corporation
LYSYS	BD (Becton, Dickinson and Company)
LYTE·TRAK	Fisher Scientific
Lytening	Baxter Healthcare