Sierra Research Corp
Sierra ResActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3594799A | Vor/dme, tacan and vortac having increased capability | Expired / Lapsed | 1969-09-10 | 1971-07-20 | 6 | Details |
| US3564545A | Master function hand-off system | Expired / Lapsed | 1969-05-06 | 1971-02-16 | 0 | Details |
| US3564544A | Multiple mode aircraft clock synchronization | Expired / Lapsed | 1969-01-02 | 1971-02-16 | 0 | Details |
| US3458861A | Cas receive-only clock synchronization | Expired / Lapsed | 1968-03-06 | 1969-07-29 | 0 | Details |
| US3440652A | Hierarchy clock synchronization | Expired / Lapsed | 1967-10-02 | 1969-04-22 | 0 | Details |
| US3153232A | Station-keeping radar system | Expired / Lapsed | 1960-09-26 | 1964-10-13 | 2 | Details |