Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4413322A | Automatic waypoint area navigation system | Foster Airdata Systems Inc | Expired / Lapsed | 1980-12-17 | 1983-11-01 | 2000-12-17 | 0.0 yrs | 61 | |
| US4335468A | Simultaneous transmission signal detection system | Foster Airdata Systems Inc | Expired / Lapsed | 1980-01-09 | 1982-06-15 | 2000-01-09 | 0.0 yrs | 42 |