Robert L. Bruce

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Loop detector for traffic signal control
- Patent number 4,430,636
- Issue date Feb 7, 1984
- Robert L. Bruce
- G08 - SIGNALLING
Information Patent Grant
Electro-optic distance measuring device
- Patent number 4,171,907
- Issue date Oct 23, 1979
- Cubic Western Data
- Douglas G. Hill
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for digitally controlling an amplitude modulat...
- Patent number 4,039,951
- Issue date Aug 2, 1977
- Cubic Industrial Corporation
- Robert L. Bruce
- G01 - MEASURING TESTING
Information Patent Grant
Single frequency radio ranging system
- Patent number 4,011,562
- Issue date Mar 8, 1977
- Cubic Industrial Corporation
- Robert L. Bruce
- G01 - MEASURING TESTING