Glenn Keller

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Los Gatos, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical disk with copy protection, and apparatus and method for rec...
- Patent number 5,809,006
- Issue date Sep 15, 1998
- Cagent Technologies, Inc.
- Hedley C. Davis
- G11 - INFORMATION STORAGE
Information Patent Grant
Audio channel system for providing an analog signal corresponding t...
- Patent number 5,418,321
- Issue date May 23, 1995
- Commodore Electronics, Limited
- Glenn J. Keller
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Peripheral control circuitry for personal computer
- Patent number 4,829,473
- Issue date May 9, 1989
- Commodore-Amiga, Inc.
- Glenn Keller
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data input circuit with digital phase locked loop
- Patent number 4,780,844
- Issue date Oct 25, 1988
- Commodore-Amiga, Inc.
- Glenn Keller
- G11 - INFORMATION STORAGE