Close; Leo R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Close; Leo R..The latest application filed is for "electronic anti-theft merchandise tag having means for activating an alarm in response to an attempt to remove the tag from the merchandise".
- Close; Leo R. - Sepulveda CA
- Close; Leo R. - Granada Hills CA
| Patent | Date |
|---|---|
| Electronic anti-theft merchandise tag having means for activating an alarm in response to an attempt to remove the tag from the merchandise Grant 5,099,228 - Israel , et al. * March 24, 1 | 1992-03-24 |
| Sensor for merchandise security system Grant 5,072,213 - Close December 10, 1 | 1991-12-10 |
| Merchandise security system utilizing RF transmitter Grant 4,962,369 - Close October 9, 1 | 1990-10-09 |
| Modular security system Grant 4,746,909 - Israel , et al. May 24, 1 | 1988-05-24 |
| Electronic surveillance system employing the doppler effect Grant 4,595,915 - Close June 17, 1 | 1986-06-17 |
| Range limited coherent frequency doppler surveillance system Grant 4,565,996 - Close January 21, 1 | 1986-01-21 |
| Reusable device for attaching an anti-theft monitor to merchandise Grant 3,973,418 - Close August 10, 1 | 1976-08-10 |
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