Inventor · disambiguated record
Richard B. Cohrs
Also filed as: COHRS JR RICHARD B · COHRS JR RICHARD BETTIN · COHRS RICHARD B
16 granted patents·546 citations·filing 1985–2004
95Inventor score
Top patents by PatentIndex Score
16 records- 0193US4741563ACenter case assembly, and a universal, center case sub-assemblyVON DUPRIN INC·Filed 1986·Granted May 3, 1988·80 cites·4 claims
- 0291US5464259ADoor latch assembly with meltable fuse mechanismVON DUPRIN INC·Filed 1993·Granted Nov 7, 1995·72 cites·6 claims
- 0387US6769723B2Midrail mounted exit deviceDOR O MATIC INC·Filed 2002·Granted Aug 3, 2004·38 cites·10 claims
- 0483US7000954B2Midrail mounted exit deviceDOR O MATIC INC·Filed 2004·Granted Feb 21, 2006·23 cites·16 claims
- 0583US5129698ATarp cover system with lever-operated locking and brake meansAERO IND INC·Filed 1991·Granted Jul 14, 1992·55 cites·17 claims
- 0678US5927765ADogging device for a latch assemblyVON DUPRIN INC·Filed 1997·Granted Jul 27, 1999·52 cites·25 claims
- 0776US4949505ADoor cordinatorVON DUPRIN INC·Filed 1989·Granted Aug 21, 1990·37 cites·8 claims
- 0870US7503597B2Midrail mounted exit deviceDOR O MATIC INC·Filed 2004·Granted Mar 17, 2009·20 cites·12 claims
- 0970US5067757APanic exit device having noise suppressionVON DUPRIN INC·Filed 1990·Granted Nov 26, 1991·36 cites·6 claims
- 1068USD496577SDoor exit deviceDOR O MATIC INC·Filed 2002·Granted Sep 28, 2004·16 cites·1 claims
- 1168US4974890AUniversal assembly for top and bottom latches, in vertical-rod exit devices, and top and bottom latches for such devicesVON DUPRIN INC·Filed 1989·Granted Dec 4, 1990·26 cites·11 claims
- 1266US7118141B2Apparatus and method for securing an exit device to a doorDOR O MATIC INC·Filed 2002·Granted Oct 10, 2006·12 cites·25 claims
- 1363US5450697ARemovable cylinder locked mullion assemblyVON DUPRIN INC·Filed 1994·Granted Sep 19, 1995·33 cites·11 claims
- 1447US5024472AFlushbolt actuator assemblyVON DUPRIN INC·Filed 1990·Granted Jun 18, 1991·16 cites·16 claims
- 1545US4624120AKey-operated, exit alarm, switch cam assembly and modification kit and modification method for switch cam assembliesDUPRIN INC VAN·Filed 1985·Granted Nov 25, 1986·18 cites·17 claims
- 1634US5682778ALead-in device for aiding the installation of rim-type lock cylindersVON DUPRIN INC·Filed 1996·Granted Nov 4, 1997·12 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →