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Arthur P. Jenkins
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London, GB
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last 30 patents
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Patent Grant
Illuminating system for producing prints on variable contrast photo...
Patent number
4,368,974
Issue date
Jan 18, 1983
Ciba-Geigy AG
Jack H. Coote
G02 - OPTICS
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Patent Grant
Filter head
Patent number
4,351,608
Issue date
Sep 28, 1982
Ciba-Geigy AG
Jack H. Coote
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY