Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4104629A | Marine radar interrogator-transponder target detection, identification, and range measurement system | Litton Marine Systems Inc | Expired / Lapsed | 1976-08-13 | 1978-08-01 | 1996-08-13 | 0.0 yrs | 89 | |
| US3971018A | Marine traffic conflict assessment system | Litton Marine Systems Inc | Expired / Lapsed | 1974-06-24 | 1976-07-20 | 1994-06-24 | 0.0 yrs | 15 | |
| US3928852A | Radio navigation system and apparatus | Litton Marine Systems Inc | Expired / Lapsed | 1973-10-25 | 1975-12-23 | 1993-10-25 | 0.0 yrs | 30 | |
| US3778827A | Short range monopulse marine search radar for small object detection | Litton Marine Systems Inc | Expired / Lapsed | 1972-01-27 | 1973-12-11 | 1992-01-27 | 0.0 yrs | 12 | |
| US3581173A | Light actuated brushless dc motor | Litton Marine Systems Inc | Expired / Lapsed | 1969-06-09 | 1971-05-25 | 1989-06-09 | 0.0 yrs | 10 |