Donald J. Watters

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Fairport, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Ink ribbon cartridge with C-shaped sideplates
- Patent number 6,714,228
- Issue date Mar 30, 2004
- Nu-Kote International, Inc.
- Carl William Holland
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink ribbon cartridge with expandable sideplates
- Patent number 6,659,664
- Issue date Dec 9, 2003
- Nu-Kote International, Inc.
- Carl William Holland
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Print ribbon comprising a frictional back layer
- Patent number 4,569,609
- Issue date Feb 11, 1986
- Burroughs Corporation
- Donald E. Snyder
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS