UK Secretary of State for Defence
UK SecretaActive Patents
0
Total Holdings
21
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1605011A | Aircraft display systems | Expired / Lapsed | 1975-01-14 | — | 15 | Details |
| GB1249302A | Improvements in or relating to optical beam splitter device… | Expired / Lapsed | 1968-01-16 | — | 0 | Details |
| US4793825A | Active silicon implant devices | Expired / Lapsed | 1985-09-11 | 1988-12-27 | 33 | Details |
| US4785059A | Process for the preparation of a hydrophilic water swellabl… | Expired / Lapsed | 1987-07-06 | 1988-11-15 | 11 | Details |
| US4714320A | Display systems | Expired / Lapsed | 1984-12-03 | 1987-12-22 | 9 | Details |
| US4486869A | Underwater acoustic devices | Expired / Lapsed | 1982-02-11 | 1984-12-04 | 5 | Details |
| US4448805A | Methods of producing devices comprising metallized regions … | Expired / Lapsed | 1981-10-12 | 1984-05-15 | 15 | Details |
| US4377010A | Biocompatible material comprising a base polymer bulk graft… | Expired / Lapsed | 1979-10-31 | 1983-03-22 | 16 | Details |
| US4342035A | Frequency compensating reflector antenna | Expired / Lapsed | 1979-10-11 | 1982-07-27 | 17 | Details |
| US4145114A | Pleochroic dyes | Expired / Lapsed | 1976-06-14 | 1979-03-20 | 13 | Details |
| US4143218A | Polymeric materials | Expired / Lapsed | 1977-09-12 | 1979-03-06 | 19 | Details |
| US4077260A | Optically active cyano-biphenyl compounds and liquid crysta… | Expired / Lapsed | 1976-08-20 | 1978-03-07 | 31 | Details |
| US4065770A | Digital scan converters | Expired / Lapsed | 1976-04-07 | 1977-12-27 | 9 | Details |
| US3970136A | Method of manufacturing composite materials | Expired / Lapsed | 1975-03-14 | 1976-07-20 | 23 | Details |
| US3875390A | On-line computer control system | Expired / Lapsed | 1973-07-13 | 1975-04-01 | 9 | Details |
| US3801489A | Tool for electrolytic drilling of holes | Expired / Lapsed | 1971-07-07 | 1974-04-02 | 0 | Details |
| US3786348A | Piezo electric accelerometer pulse testing | Expired / Lapsed | 1971-11-01 | 1974-01-15 | 54 | Details |
| US3722272A | Clear air turbulence detectors | Expired / Lapsed | 1971-07-09 | 1973-03-27 | 7 | Details |
| US3519808A | Testing and repair of electronic digital computers | Expired / Lapsed | 1967-03-21 | 1970-07-07 | 0 | Details |
| US3403680A | Hypodermic injection apparatus | Expired / Lapsed | 1966-06-13 | 1968-10-01 | 0 | Details |
| US3403679A | Hypodermic injection apparatus with a secondary capsule-col… | Expired / Lapsed | 1965-12-10 | 1968-10-01 | 0 | Details |