Glenn L Martin Co
Glenn L MaActive Patents
0
Total Holdings
18
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2687474A | Integrator | Expired / Lapsed | 1952-02-14 | 1954-08-24 | 0 | Details |
| US2641629A | Control wheel and wiring | Expired / Lapsed | 1950-01-25 | 1953-06-09 | 0 | Details |
| US2633019A | Strain gauge pulse system | Expired / Lapsed | 1947-09-20 | 1953-03-31 | 0 | Details |
| US2609068A | Metal foil honeycomb core | Expired / Lapsed | 1949-03-11 | 1952-09-02 | 0 | Details |
| US2596242A | Variable ratio booster control system | Expired / Lapsed | 1949-05-12 | 1952-05-13 | 0 | Details |
| US2552066A | Fastening device | Expired / Lapsed | 1944-10-12 | 1951-05-08 | 0 | Details |
| US2495748A | Antenna installation on airplanes | Expired / Lapsed | 1949-01-24 | 1950-01-31 | 0 | Details |
| US2469921A | Valve | Expired / Lapsed | 1945-03-07 | 1949-05-10 | 0 | Details |
| US2453343A | Retainer strip | Expired / Lapsed | 1944-07-19 | 1948-11-09 | 0 | Details |
| US2443045A | Strain gauge center of gravity and gross weight meter | Expired / Lapsed | 1944-03-09 | 1948-06-08 | 0 | Details |
| US2383840A | Underwater fuel storage system | Expired / Lapsed | 1942-11-06 | 1945-08-28 | 0 | Details |
| US2381739A | Hidden barrier | Expired / Lapsed | 1942-04-01 | 1945-08-07 | 0 | Details |
| US2360818A | Control handle | Expired / Lapsed | 1942-08-20 | 1944-10-17 | 0 | Details |
| US2337166A | Control valve | Expired / Lapsed | 1941-12-13 | 1943-12-21 | 0 | Details |
| US2272725A | Control of aircraft surfaces | Expired / Lapsed | 1939-07-13 | 1942-02-10 | 0 | Details |
| US2102590A | Aircraft construction | Expired / Lapsed | 1936-12-02 | 1937-12-21 | 0 | Details |
| US1769005A | Airplane-wing structure | Expired / Lapsed | 1927-07-29 | 1930-07-01 | 0 | Details |
| US1766471A | Structural material | Expired / Lapsed | 1927-09-16 | 1930-06-24 | 0 | Details |