Janssen; David C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Janssen; David C..The latest application filed is for "self-compensating motion detector".
- Janssen; David C. - Shorewood WI
- Janssen; David C. - Whitefish Bay WI
- Janssen; David C - Whitefish Bay WI
| Patent | Date |
|---|---|
| Self-compensating motion detector Grant 7,501,595 - Dimig , et al. March 10, 2 | 2009-03-10 |
| Self-compensating motion detector App 20070080049 - Dimig; Steven J. ; et al. | 2007-04-12 |
| Steering column lock apparatus and method Grant 7,140,213 - Feucht , et al. November 28, 2 | 2006-11-28 |
| Vehicle coded ignition lock using a magnetic sensor Grant 6,958,551 - Janssen October 25, 2 | 2005-10-25 |
| Key assembly for vehicle ignition locks Grant 6,948,344 - Janssen September 27, 2 | 2005-09-27 |
| Steering column lock apparatus and method App 20050183476 - Feucht, Michael G. ; et al. | 2005-08-25 |
| Vehicle coded ignition lock using a mabnetic sensor App 20030234579 - Janssen, David C. | 2003-12-25 |
| Security system for a vehicle and method of operating same Grant 6,617,961 - Janssen , et al. September 9, 2 | 2003-09-09 |
| Key assembly for vehicle ignition locks App 20030051520 - Janssen, David C. ; et al. | 2003-03-20 |
| Key assembly for vehicle ignition locks Grant 6,427,504 - Janssen , et al. August 6, 2 | 2002-08-06 |
| Key assembly for vehicle ignition locks Grant 6,367,298 - Janssen , et al. April 9, 2 | 2002-04-09 |
| Key assembly for vehicle ignition locks Grant 6,276,179 - Janssen , et al. August 21, 2 | 2001-08-21 |
| Key assembly for vehicle ignition locks Grant 6,035,677 - Janssen , et al. March 14, 2 | 2000-03-14 |
| Tumberless automobile ignition lock Grant 5,836,187 - Janssen , et al. November 17, 1 | 1998-11-17 |
| Anti-magnetic tampering system for automobile ignition lock Grant 5,551,267 - Janssen , et al. September 3, 1 | 1996-09-03 |
| Key assembly for vehicle ignition locks Grant 5,433,096 - Janssen , et al. July 18, 1 | 1995-07-18 |
| Modular wiring harness for electronic vehicle ignition lock Grant 5,398,532 - Janssen , et al. March 21, 1 | 1995-03-21 |
| Fail safe system for a mechanical lock and key set with electrical interlock Grant 5,287,098 - Janssen February 15, 1 | 1994-02-15 |
| Self-destruct electrical interlock for cylinder lock and key set Grant 5,186,031 - Janssen , et al. February 16, 1 | 1993-02-16 |
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