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William Jeffers
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Fair Haven, NJ, US
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last 30 patents
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Patent Grant
Dialo printing plate made from laser
Patent number
4,486,529
Issue date
Dec 4, 1984
American Hoechst Corporation
William Jeffers
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Preparation of diazo printing plates using laser exposure
Patent number
4,248,959
Issue date
Feb 3, 1981
American Hoechst Corporation
William Jeffers
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus and method for producing printing mas...
Patent number
4,149,798
Issue date
Apr 17, 1979
Eocom Corporation
Norman L. McGowan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY