Daniel O. Roll

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Fishers, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermal ink jet printhead with improved ink resistance
- Patent number 5,729,261
- Issue date Mar 17, 1998
- Xerox Corporation
- Cathie J. Burke
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal ink jet printhead protective layers
- Patent number 5,448,273
- Issue date Sep 5, 1995
- Xerox Corporation
- Igal E. Klein
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printhead having ionic passivation of electrical circuitry
- Patent number 5,010,355
- Issue date Apr 23, 1991
- Xerox Corporation
- William G. Hawkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS