← Back to Companies

Sir WG Armstrong Whitworth and Co Engineers Ltd

Sir WG Arm

Active Patents

0

Total Holdings

5

Patent Holdings

Filter in Explorer →

Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2745347A	Self-projected missiles	Expired / Lapsed	1952-06-05	1956-05-15	0	Details
US2480036A	Airplane with boundary layer control and powered by interna…	Expired / Lapsed	1946-11-13	1949-08-23	0	Details
US1920830A	Method of making propeller blades	Expired / Lapsed	1932-01-27	1933-08-01	0	Details
US1380823A	Clutch for turbine-driven geared propeller-shafts	Expired / Lapsed	1920-07-20	1921-06-07	0	Details
US1353025A	Electrical signaling apparatus	Expired / Lapsed	1919-04-15	1920-09-14	0	Details