Robert A. Hair

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Pontiac, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Remote control system for door locks
- Patent number 5,774,064
- Issue date Jun 30, 1998
- TRW Inc.
- George Lambropoulos
- G07 - CHECKING-DEVICES
Information Patent Grant
Remote control system for door locks
- Patent number 5,619,191
- Issue date Apr 8, 1997
- TRW Inc.
- George Lambropoulos
- G07 - CHECKING-DEVICES
Information Patent Grant
Remote control system for door locks
- Patent number 5,406,274
- Issue date Apr 11, 1995
- TRW Inc.
- George Lambropoulos
- G07 - CHECKING-DEVICES
Information Patent Grant
Transmitter for remote control system for door locks
- Patent number 5,252,966
- Issue date Oct 12, 1993
- TRW Inc.
- George Lambropoulos
- G07 - CHECKING-DEVICES
Information Patent Grant
Remote control system for door locks
- Patent number 5,109,221
- Issue date Apr 28, 1992
- TRW Inc.
- George Lambropoulos
- G07 - CHECKING-DEVICES
Information Patent Grant
Remote control system for door locks
- Patent number 4,881,148
- Issue date Nov 14, 1989
- Wickes Manufacturing Company
- George Lambropoulos
- G07 - CHECKING-DEVICES