Charles H. Coleman Jr.

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Redwood City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Record verify and optimize system
- Patent number 4,480,274
- Issue date Oct 30, 1984
- Ampex Corporation
- Charles H. Coleman
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for determining read head position
- Patent number 4,432,026
- Issue date Feb 14, 1984
- Ampex Corporation
- Charles H. Coleman
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic threshold tracking system
- Patent number 4,399,474
- Issue date Aug 16, 1983
- Ampex Corporation
- Charles H. Coleman
- G11 - INFORMATION STORAGE