Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4829442A | Beacon navigation system and method for guiding a vehicle | ETM REALTY TRUST | Expired / Lapsed | 1986-05-16 | 1989-05-09 | 2006-05-16 | 0.0 yrs | 21 | |
| US4821192A | Node map system and method for vehicle | ETM REALTY TRUST | Expired / Lapsed | 1986-11-28 | 1989-04-11 | 2006-11-28 | 0.0 yrs | 55 | |
| US4815840A | Position locating system for a vehicle | ETM REALTY TRUST | Expired / Lapsed | 1986-05-16 | 1989-03-28 | 2006-05-16 | 0.0 yrs | 17 | |
| US4772875A | Intrusion detection system | ETM REALTY TRUST | Expired / Lapsed | 1986-05-16 | 1988-09-20 | 2006-05-16 | 0.0 yrs | 32 | |
| US4710020A | Beacon proximity detection system for a vehicle | ETM REALTY TRUST | Expired / Lapsed | 1986-05-16 | 1987-12-01 | 2006-05-16 | 0.0 yrs | 27 |