Douglas W. Shaffer

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Pittsford, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Process cartridge including process components having critical imag...
- Patent number 5,835,823
- Issue date Nov 10, 1998
- Xerox Corporation
- Dhirendra C. Damji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge including a handle defining part of a machine pap...
- Patent number 5,784,671
- Issue date Jul 21, 1998
- Xerox Corporation
- Dhirendra C. Damji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stepped shaft assembly
- Patent number 5,632,684
- Issue date May 27, 1997
- Xerox Corporation
- Ajay Kumar
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...