Robert Bushman

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Hepburn, CA

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Patents Grantslast 30 patents

Information Patent Grant
Mid-block traffic detection and signal control
- Patent number 8,502,697
- Issue date Aug 6, 2013
- International Road Dynamics Inc.
- Robert J. Bushman
- G08 - SIGNALLING
Information Patent Grant
Variable speed limit system
- Patent number 6,825,778
- Issue date Nov 30, 2004
- International Road Dynamics Inc.
- Terry Bergan
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
MID-BLOCK TRAFFIC DETECTION AND SIGNAL CONTROL
- Publication number 20090284395
- Publication date Nov 19, 2009
- INTERNATIONAL ROAD DYNAMICS INC.
- Robert J. BUSHMAN
- G08 - SIGNALLING
Information Patent Application
Variable speed limit system
- Publication number 20040075582
- Publication date Apr 22, 2004
- Terry Bergan
- G08 - SIGNALLING