Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3956732A | Automobile theft alarm with ignition controlled automatic arming means | Harrison Systems Corp | Expired / Lapsed | 1973-01-02 | 1976-05-11 | 1993-01-02 | 0.0 yrs | 7 | |
| US3671934A | Automobile theft alarm for detecting unauthorized energization of resistive load | Harrison Systems Corp | Expired / Lapsed | 1970-11-02 | 1972-06-20 | 1990-11-02 | 0.0 yrs | 16 |