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changing the diaphragm effect
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CPC
G03F5/06
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Parent Industries
G
PHYSICS
G03
Photography
G03F
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES
G03F5/00
Screening processes Screens therefor
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G03F5/06
changing the diaphragm effect
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Patents Grants
last 30 patents
Information
Patent Grant
3597077
Patent number
3,597,077
Issue date
Aug 3, 1971
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
3485626
Patent number
3,485,626
Issue date
Dec 23, 1969
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2876099
Patent number
2,876,099
Issue date
Mar 3, 1959
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2533650
Patent number
2,533,650
Issue date
Dec 12, 1950
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2145427
Patent number
2,145,427
Issue date
Jan 31, 1939
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
1732051
Patent number
1,732,051
Issue date
Oct 15, 1929
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
1664137
Patent number
1,664,137
Issue date
Mar 27, 1928
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents