Herman Quast

Follow

Person

Burlington, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Sobriety interlock with service reminder
- Patent number 4,912,458
- Issue date Mar 27, 1990
- Guardian Technologies, Inc.
- Felix J. E. Comeau
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Sobriety interlock with bypass detection
- Patent number 4,901,058
- Issue date Feb 13, 1990
- Guardian Technologies, Inc.
- Felix J. E. Comeau
- B60 - VEHICLES IN GENERAL