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Industry
CPC
G03B31/08
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
G
PHYSICS
G03
Photography
G03B
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES ACCESSORIES THEREFOR
G03B31/00
Associated working of cameras or projectors with sound recording or reproducing means
Current Industry
G03B31/08
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Industries
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Patents Grants
last 30 patents
Information
Patent Grant
Motion picture presentation system
Patent number
5,872,615
Issue date
Feb 16, 1999
Robert Crawford Harris
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY