Litton Marine Systems Inc
Litton MarActive Patents
0
Total Holdings
12
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4932036A | Spread spectrum squaring loop with invalid phase measuremen… | Expired / Lapsed | 1989-03-03 | 1990-06-05 | 13 | Details |
| US4457006A | Global positioning system receiver | Expired / Lapsed | 1981-11-16 | 1984-06-26 | 9 | Details |
| US4453165A | Differential Doppler receiver | Expired / Lapsed | 1983-01-03 | 1984-06-05 | 10 | Details |
| US4104629A | Marine radar interrogator-transponder target detection, ide… | Expired / Lapsed | 1976-08-13 | 1978-08-01 | 89 | Details |
| US3971018A | Marine traffic conflict assessment system | Expired / Lapsed | 1974-06-24 | 1976-07-20 | 15 | Details |
| US3928852A | Radio navigation system and apparatus | Expired / Lapsed | 1973-10-25 | 1975-12-23 | 30 | Details |
| US3778827A | Short range monopulse marine search radar for small object … | Expired / Lapsed | 1972-01-27 | 1973-12-11 | 12 | Details |
| US3725918A | Collision avoidance display apparatus for maneuverable craft | Expired / Lapsed | 1970-11-18 | 1973-04-03 | 13 | Details |
| US3604907A | Steering command computer for navigable craft | Expired / Lapsed | 1970-03-02 | 1971-09-14 | 7 | Details |
| US3588803A | Ship's warning system | Expired / Lapsed | 1969-03-12 | 1971-06-28 | 0 | Details |
| US3581173A | Light actuated brushless dc motor | Expired / Lapsed | 1969-06-09 | 1971-05-25 | 10 | Details |
| US3530284A | Shift counter having false mode suppression | Expired / Lapsed | 1968-03-25 | 1970-09-22 | 0 | Details |