David J. Valvo

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Rochester, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Chromogenic sepia silver halide print material
- Patent number 6,479,225
- Issue date Nov 12, 2002
- Eastman Kodak Company
- David J. Valvo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Black-and-white sepia toning kit and method for its use
- Patent number 6,261,747
- Issue date Jul 17, 2001
- Eastman Kodak Company
- David J. Valvo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film supply and film take-up magazine
- Patent number 5,881,332
- Issue date Mar 9, 1999
- Eastman Kodak Company
- David J. Valvo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY