Robert C. Beauchamp

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Westminster, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for creating optical disc masters
- Patent number 5,293,370
- Issue date Mar 8, 1994
- Del Mar Avionics
- Robert C. Beauchamp
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and method for improved pit geometry and i...
- Patent number 5,283,159
- Issue date Feb 1, 1994
- Del Mar Avionics
- James R. Norton
- G11 - INFORMATION STORAGE
Information Patent Grant
Expanded micro cassette player-recorder
- Patent number 5,050,021
- Issue date Sep 17, 1991
- Del Mar Avionics
- Stephen K. Shu
- G11 - INFORMATION STORAGE