J. Robin Cowdery

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Webster, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic charge generating element containing acid scave...
- Patent number 6,187,491
- Issue date Feb 13, 2001
- Eastman Kodak Company
- Wayne T. Ferrar
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic charge generating element containing primer layer
- Patent number 6,066,425
- Issue date May 23, 2000
- Eastman Kodak Company
- Wayne T. Ferrar
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aromatic heterocyclic-substituted cyclic sulfone compounds and elec...
- Patent number 5,352,802
- Issue date Oct 4, 1994
- Eastman Kodak Company
- Michael R. Detty
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic heterocyclic-substituted cyclic sulfone compounds and elec...
- Patent number 5,300,385
- Issue date Apr 5, 1994
- Eastman Kodak Company
- Michael R. Detty
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multiactive electrophotographic elements containing electron transp...
- Patent number 5,272,032
- Issue date Dec 21, 1993
- Eastman Kodak Company
- J. Robin Cowdery
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY