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Pavelle Color Inc

Pavelle Co
Active Patents
0
Total Holdings
5

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2544196A Photoelectric color analyzer Expired / Lapsed 1947-08-04 1951-03-06 0 Details
US2469076A Photographic printing exposure control method and apparatus Expired / Lapsed 1945-05-18 1949-05-03 0 Details
US2463985A Exposure timing mechanism Expired / Lapsed 1948-02-13 1949-03-08 0 Details
US2448736A Photographic shutter operating and control mechanism Expired / Lapsed 1946-11-16 1948-09-07 0 Details
US2433624A Light color temperature control Expired / Lapsed 1945-06-22 1947-12-30 0 Details