Department of National Defence
DepartmentActive Patents
0
Total Holdings
18
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB985976A | Integrated destination indicator | Expired / Lapsed | 1961-02-08 | — | 0 | Details |
| GB777651A | Improvements in or relating to devices for determining the … | Expired / Lapsed | 1955-06-28 | — | 0 | Details |
| US5075693A | Primary land arctic navigation system | Expired / Lapsed | 1989-10-05 | 1991-12-24 | 2 | Details |
| US4572906A | Chitosan based wound dressing materials | Expired / Lapsed | 1984-10-02 | 1986-02-25 | 19 | Details |
| US4506151A | Optoelectronic logic | Expired / Lapsed | 1982-07-27 | 1985-03-19 | 15 | Details |
| US4457581A | Passive fiber optic data bus configurations | Expired / Lapsed | 1981-10-27 | 1984-07-03 | 7 | Details |
| US4302485A | Fabric treatment with ultrasound | Expired / Lapsed | 1980-02-28 | 1981-11-24 | 21 | Details |
| US4232385A | Frequency division multiplexing system for optical transmis… | Expired / Lapsed | 1978-07-07 | 1980-11-04 | 10 | Details |
| US4218779A | Chemical resistant article | Expired / Lapsed | 1978-09-29 | 1980-08-26 | 21 | 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 |
| US4125835A | Range or time-delay determining subsystem for use in certai… | Expired / Lapsed | 1977-09-19 | 1978-11-14 | 11 | 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 |
| US4106340A | Grading agricultural products with a microwave antenna | Expired / Lapsed | 1976-10-01 | 1978-08-15 | 7 | Details |
| US4090036A | Satellite communications system | Expired / Lapsed | 1977-01-27 | 1978-05-16 | 8 | Details |
| US3927667A | Diffuser drape | Expired / Lapsed | 1974-05-21 | 1975-12-23 | 4 | Details |
| CA625891A | Copolymer of a polyalkylene ether glycol, an organic di-iso… | Expired / Lapsed | — | 1961-08-22 | 0 | Details |