Inventor · disambiguated record
Lester Broersma
Also filed as: BROERSMA LESTER · BROERSMA LESTER V
63 granted patents·9 pending applications·2,645 citations·filing 1982–2011
99Inventor score
Top patents by PatentIndex Score
72 records- 0197US5309576AMultiple density helmet body compositions to strengthen helmetBELL HELMETS INC·Filed 1991·Granted May 10, 1994·148 cites·22 claims
- 0297USD319112SCyclist helmetBELL BICYCLES INC·Filed 1988·Granted Aug 13, 1991·57 cites·1 claims
- 0396US4555816AVentilated helmetBELL HELMETS INC·Filed 1984·Granted Dec 3, 1985·106 cites·21 claims
- 0496US4434514ABicyclists helmet with air flow and perspiration controlBELL HELMETS INC·Filed 1982·Granted Mar 6, 1984·180 cites·28 claims
- 0595US5123121AHelmet retention system with adjustable buckleBELL HELMETS INC·Filed 1991·Granted Jun 23, 1992·103 cites·13 claims
- 0695USD310893SCyclist's ventilated helmetBELL BICYCLES INC·Filed 1987·Granted Sep 25, 1990·45 cites·1 claims
- 0795US4901373AHelmet retention system with adjustable buckleBELL HELMETS INC·Filed 1988·Granted Feb 20, 1990·86 cites·13 claims
- 0894USD548251SQuick change extension contoured lensBRASS EAGLE LLC·Filed 2005·Granted Aug 7, 2007·61 cites·1 claims
- 0991USD601308SMandible maskJT SPORTS LLC·Filed 2008·Granted Sep 29, 2009·43 cites·1 claims
- 1091US4627115AVentilated helmetBELL HELMETS INC·Filed 1985·Granted Dec 9, 1986·81 cites·11 claims
- 1190US7681257B1Rotating lens locking deviceJT SPORTS LLC·Filed 2006·Granted Mar 23, 2010·39 cites·12 claims
- 1290US5119516AReinforced expanded plastic helmet constructionBELL SPORTS INC·Filed 1989·Granted Jun 9, 1992·112 cites·23 claims
- 1389USD536833SFull coverage elongated head shieldBRASSEAGLE LLC·Filed 2005·Granted Feb 13, 2007·48 cites·1 claims
- 1489USD527847SHelmetBRASS EAGLE LLC·Filed 2005·Granted Sep 5, 2006·41 cites·1 claims
- 1589US7003802B2Face mask with detachable eye shieldJT USA LLC·Filed 2002·Granted Feb 28, 2006·59 cites·4 claims
- 1688US7357130B2Spring-assisted paintball loaderJT USA LLC·Filed 2005·Granted Apr 15, 2008·43 cites·4 claims
- 1788USD300070SBicyclist's helmetBELL HELMETS INC·Filed 1986·Granted Feb 28, 1989·26 cites·1 claims
- 1887USD535339SIntegrated hopperBRASS EAGLE LLC·Filed 2005·Granted Jan 16, 2007·36 cites·1 claims
- 1987US6725852B1Free-flowing paintball hopperJT USA INC·Filed 2003·Granted Apr 27, 2004·71 cites·11 claims
- 2087US4612675AHelmet with adjustable ventilationBELL HELMETS INC·Filed 1985·Granted Sep 23, 1986·89 cites·21 claims
- 2186US7270120B2Hopperless paintball loading deviceBROERSMA LESTER V·Filed 2005·Granted Sep 18, 2007·36 cites·10 claims
- 2285USD529234SQuick change extension contoured mask frameBROERSMA LESTER·Filed 2005·Granted Sep 26, 2006·33 cites·1 claims
- 2385US4903348AHelmet with strap holderBELL BICYCLES INC·Filed 1988·Granted Feb 27, 1990·73 cites·21 claims
- 2485US4653123AAerodynamic bicyclist's helmet constructionBELL HELMETS INC·Filed 1986·Granted Mar 31, 1987·79 cites·18 claims
- 2585USD272769SCyclist's vented helmetBELL HELMETS INC·Filed 1982·Granted Feb 28, 1984·21 cites·1 claims
- 2684USD596803SCatcher's helmet with face guard having transparent shieldRAWLINGS SPORTING GOODS CO·Filed 2007·Granted Jul 21, 2009·29 cites·1 claims
- 2784US5099523AReinforced expanded plastic helmet constructionBELL BICYCLES INC·Filed 1991·Granted Mar 31, 1992·57 cites·35 claims
- 2883US4625341ARemovably attachable shield for helmet visorBELL HELMETS INC·Filed 1985·Granted Dec 2, 1986·70 cites·10 claims
- 2982USD487534SGoggle, helmet mask combinationJT USA LLC·Filed 2002·Granted Mar 9, 2004·27 cites·1 claims
- 3079USD592809SBatter's helmetRAWLINGS SPORTING GOODS CO·Filed 2008·Granted May 19, 2009·24 cites·1 claims
- 3179USD570551SFace mask with extending toothlike blocksBROERSMA LESTER V·Filed 2007·Granted Jun 3, 2008·25 cites·1 claims
- 3279US7322347B2Adjustable capacity loader for paintball markersJT USA LLC·Filed 2004·Granted Jan 29, 2008·35 cites·19 claims
- 3378USD572318SRound back, flat side, top nose paintball hopperJT SPORTS LLC·Filed 2006·Granted Jul 1, 2008·23 cites·1 claims
- 3478USD571050SFacemask with side stripsBROERSMA LESTER V·Filed 2007·Granted Jun 10, 2008·24 cites·1 claims
- 3577US6966313B1Anti-chop electronic firing control for paintball markersJT USA LLC·Filed 2004·Granted Nov 22, 2005·36 cites·12 claims
- 3677US5351341AMultiple density helmet body compositions to strengthen helmetBELL SPORTS INC·Filed 1992·Granted Oct 4, 1994·67 cites·40 claims
- 3776USD570552SFacemask insert with inward extending caninesBROERSMA LESTER V·Filed 2007·Granted Jun 3, 2008·22 cites·1 claims
- 3875USD596804SCatcher's helmet with face guard having transparent shieldRAWLINGS SPORTING GOODS CO·Filed 2007·Granted Jul 21, 2009·20 cites·1 claims
- 3975US7426927B1Paintball marker with intergrated hopperJ T SPORTS LLC·Filed 2006·Granted Sep 23, 2008·13 cites·1 claims
- 4074USD559923SMultiple slot expanded diameter paintball marker barrelJT SPORTS LLC·Filed 2006·Granted Jan 15, 2008·20 cites·1 claims
- 4174US7229105B2Auto-adapting tube fittingJT USA LLC·Filed 2004·Granted Jun 12, 2007·16 cites·17 claims
- 4274USD529662SHead shieldBROERSMA LESTER·Filed 2005·Granted Oct 3, 2006·20 cites·1 claims
- 4374US6957447B1Monolithic paintball maskJT USA LLC·Filed 2004·Granted Oct 25, 2005·41 cites·10 claims
- 4474US4897888AHelmet strap clip, and assemblyBELL BICYCLES INC·Filed 1988·Granted Feb 6, 1990·50 cites·15 claims
- 4574USD272770SCyclist's vented helmet with visorSUNDAHL JAMES G·Filed 1982·Granted Feb 28, 1984·15 cites·1 claims
- 4672USD570550SFacemask insert with front tooth blocks and smile line ridgesBROERSMA LESTER V·Filed 2007·Granted Jun 3, 2008·18 cites·1 claims
- 4771US7640927B1Multiple function paintball marker boltBROERSMA LESTER·Filed 2008·Granted Jan 5, 2010·10 cites·4 claims
- 4871USD598167SBatter's helmetRAWLINGS SPORTING GOODS CO·Filed 2008·Granted Aug 11, 2009·17 cites·1 claims
- 4971US5269025AReinforced expanded plastic helmet constructionBELL BICYCLES INC·Filed 1991·Granted Dec 14, 1993·60 cites·18 claims
- 5070US7316431B1Auto-adapting fittingJT SPORTS LLC·Filed 2006·Granted Jan 8, 2008·4 cites·12 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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