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International Projector Corp

Internatio

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2446937A	Echo sounding indicator	Expired / Lapsed	1945-03-10	1948-08-10	0	Details
US2287965A	Method and apparatus for the operation of photoelectric cel…	Expired / Lapsed	1940-03-16	1942-06-30	0	Details
US2257551A	Method and means of producing motion pictures	Expired / Lapsed	1938-02-26	1941-09-30	0	Details
US2214901A	Power drive clutch	Expired / Lapsed	1937-06-26	1940-09-17	0	Details
US1803465A	Adjustable geneva intermittent	Expired / Lapsed	1928-11-30	1931-05-05	0	Details