Robert T. Graham Jr.

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Wilmington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for tone arm magnetic stabilization and dampin...
- Patent number 7,382,713
- Issue date Jun 3, 2008
- Robert J. Graham
- G11 - INFORMATION STORAGE
Information Patent Grant
Receiver for optical radar
- Patent number 4,077,718
- Issue date Mar 7, 1978
- Raytheon Company
- Robert T. Graham
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Tone arm magnetic stabilization and damping system
- Publication number 20060203695
- Publication date Sep 14, 2006
- Robert J. Graham
- G11 - INFORMATION STORAGE