Charles D. McGregor

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Santa Ana, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Color printer and multi-ribbon cartridge therefor
- Patent number 4,504,160
- Issue date Mar 12, 1985
- Ramtek Corporation
- Errol G. Payne
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Color printer and multi-ribbon cartridge therefor
- Patent number 4,403,874
- Issue date Sep 13, 1983
- Ramtek Corporation
- Errol G. Payne
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS