LAFAYETTE M HUGHES
LAFAYETTEActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| CA474090A | Anti-collision apparatus | Expired / Lapsed | — | 1951-05-29 | 0 | Details |
| US2532402A | Navigating instrument for craft and pilot guidance | Expired / Lapsed | 1947-03-15 | 1950-12-05 | 0 | Details |
| US2489222A | Electric means for indicating the altitude and position of … | Expired / Lapsed | 1946-06-07 | 1949-11-22 | 0 | Details |
| US2489221A | Craft locating apparatus | Expired / Lapsed | 1945-06-26 | 1949-11-22 | 0 | Details |
| US2489220A | Light-sensitive altitude and direction indicator | Expired / Lapsed | 1945-03-15 | 1949-11-22 | 0 | Details |
| US2444442A | Photoelectric apparatus | Expired / Lapsed | 1946-06-29 | 1948-07-06 | 0 | Details |