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AMERICAN PROPELLER Co

AMERICAN P

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2127687A	Propeller	Expired / Lapsed	1930-04-23	1938-08-23	0	Details
US1843886A	Propeller	Expired / Lapsed	1929-07-25	1932-02-02	0	Details
US1838674A	Airscrew	Expired / Lapsed	1929-01-25	1931-12-29	0	Details
US1821450A	Propelling device for aircraft and the like	Expired / Lapsed	1928-09-07	1931-09-01	0	Details