ETM REALTY TRUST
ETM REALTYActive Patents
0
Total Holdings
5
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4829442A | Beacon navigation system and method for guiding a vehicle | Expired / Lapsed | 1986-05-16 | 1989-05-09 | 21 | Details |
| US4821192A | Node map system and method for vehicle | Expired / Lapsed | 1986-11-28 | 1989-04-11 | 55 | Details |
| US4815840A | Position locating system for a vehicle | Expired / Lapsed | 1986-05-16 | 1989-03-28 | 17 | Details |
| US4772875A | Intrusion detection system | Expired / Lapsed | 1986-05-16 | 1988-09-20 | 32 | Details |
| US4710020A | Beacon proximity detection system for a vehicle | Expired / Lapsed | 1986-05-16 | 1987-12-01 | 27 | Details |