Marshall H. Trackman

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San Leandro, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-line serial printer
- Patent number 4,929,099
- Issue date May 29, 1990
- Qume Corporation
- Scott M. Graham
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Means to inhibit paper feed during carriage or print wheel movement
- Patent number 4,324,500
- Issue date Apr 13, 1982
- Qume Corporation
- Suhdok D. Moon
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS