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Armstrong Siddeley Motors Ltd

Armstrong

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2707965A	Flow check valve	Expired / Lapsed	1952-02-20	1955-05-10	0	Details
US2431249A	Securing projections to rotors	Expired / Lapsed	1944-07-11	1947-11-18	0	Details
US2430399A	Jet augmenter for combustion turbine propulsion plants	Expired / Lapsed	1943-09-11	1947-11-04	0	Details
US2430398A	Jet-propulsion internal-combustion turbine plant	Expired / Lapsed	1943-08-31	1947-11-04	0	Details
US2081063A	Thrust bearing	Expired / Lapsed	1935-09-26	1937-05-18	0	Details