Martin C. Henderson

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Reseda, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Vehicle detector with automatic sensitivity adjustment
- Patent number 5,734,338
- Issue date Mar 31, 1998
- Minnesota Mining and Manufacturing Company
- Earl B. Hoekman
- G08 - SIGNALLING
Information Patent Grant
Strip material for and a surface mounted inductive loop
- Patent number 4,945,356
- Issue date Jul 31, 1990
- Minnesota Mining and Manufacturing Company
- Martin C. Henderson
- G08 - SIGNALLING
Information Patent Grant
Inductive loop detector system
- Patent number 3,943,339
- Issue date Mar 9, 1976
- Canoga Controls Corporation
- Ralph J. Koerner
- G08 - SIGNALLING