Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5099228 | Electronic anti-theft merchandise tag having means for activating an alarm in response to an attempt to remove the tag from the merchandise | Marcia Israel | 1992-03-24 |
| 5072213 | Sensor for merchandise security system | — | 1991-12-10 |
| 4962369 | Merchandise security system utilizing RF transmitter | — | 1990-10-09 |
| 4746909 | Modular security system | Marcia Israel | 1988-05-24 |
| 4595915 | Electronic surveillance system employing the doppler effect | — | 1986-06-17 |
| 4565996 | Range limited coherent frequency doppler surveillance system | — | 1986-01-21 |
| 4502717 | Pneumatically releasable, tamper-resistant security tag | — | 1985-03-05 |