Robert A. Downing

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of conductive toners using fluidized bed processing equ...
- Patent number 5,350,659
- Issue date Sep 27, 1994
- Xerox Corporation
- Frank P. Lee
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
System and method for monitoring and maintaining concentrate materi...
- Patent number 4,660,152
- Issue date Apr 21, 1987
- Xerox Corporation
- Robert A. Downing
- G05 - CONTROLLING REGULATING