Department of National Defence
DepartmentActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5075693A | Primary land arctic navigation system | Expired / Lapsed | 1989-10-05 | 1991-12-24 | 2 | Details |
| US4506151A | Optoelectronic logic | Expired / Lapsed | 1982-07-27 | 1985-03-19 | 15 | Details |
| US4232385A | Frequency division multiplexing system for optical transmis… | Expired / Lapsed | 1978-07-07 | 1980-11-04 | 10 | Details |
| US4205668A | Elliptical diffuser drape | Expired / Lapsed | 1978-08-18 | 1980-06-03 | 6 | Details |
| US4193662A | Broadband switching system utilizing optical fiber waveguid… | Expired / Lapsed | 1978-07-26 | 1980-03-18 | 14 | Details |
| US4111217A | Arctic tent pole | Expired / Lapsed | 1977-06-17 | 1978-09-05 | 6 | Details |
| US4108538A | Frequency plane filters for an optical processor for synthe… | Expired / Lapsed | 1977-03-07 | 1978-08-22 | 12 | Details |
| CA625891A | Copolymer of a polyalkylene ether glycol, an organic di-iso… | Expired / Lapsed | — | 1961-08-22 | 0 | Details |