James M. Spencer Jr.

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Phoenix, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Dynamic convergence control apparatus for shadow mask CRT displays
- Patent number 4,385,259
- Issue date May 24, 1983
- Sperry Corporation
- Karl L. Chase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power on demand beam deflection system for CRT displays
- Patent number 3,965,390
- Issue date Jun 22, 1976
- Sperry Rand Corporation
- James M. Spencer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS