Joel L. Vanover

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Elkton, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Developer solution cartridge
- Patent number D325923
- Issue date May 5, 1992
- E. I. Du Pont de Nemours and Company
- Jon F. Boyer
- D16 - Photography and optical equipment
Information Patent Grant
Wash cartridge
- Patent number D325591
- Issue date Apr 21, 1992
- E. I. Du Pont de Nemours and Company
- Jon F. Boyer
- D16 - Photography and optical equipment
Information Patent Grant
Fixer cartridge
- Patent number D325592
- Issue date Apr 21, 1992
- E. I. Du Pont de Nemours and Company
- Jon F. Boyer
- D16 - Photography and optical equipment
Information Patent Grant
Apparatus for processing photosensitive material
- Patent number D323524
- Issue date Jan 28, 1992
- E. I. Du Pont de Nemours and Company
- Jon F. Boyer
- D16 - Photography and optical equipment
Information Patent Grant
Method and apparatus for processing photosensitive material
- Patent number 5,070,351
- Issue date Dec 3, 1991
- E. I. Du Pont de Nemours and Company
- Joel L. Vanover
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film processor
- Patent number 4,327,987
- Issue date May 4, 1982
- E. I. Du Pont de Nemours and Company
- Lawrence B. Friar
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY