Sentry Technology Corp
Sentry TecActive Patents
0
Total Holdings
5
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4665387A | Method and apparatus for target deactivation and reactivati… | Expired / Lapsed | 1983-07-13 | 1987-05-12 | 17 | Details |
| US4568921A | Theft detection apparatus and target and method of making s… | Expired / Lapsed | 1984-07-13 | 1986-02-04 | 32 | Details |
| US4384281A | Theft detection apparatus using saturable magnetic targets | Expired / Lapsed | 1980-10-31 | 1983-05-17 | 34 | Details |
| US4326198A | Method and apparatus for the promotion of selected harmonic… | Expired / Lapsed | 1976-08-18 | 1982-04-20 | 29 | Details |
| US4118693A | Method and apparatus for producing uniform electromagnetic … | Expired / Lapsed | 1977-05-09 | 1978-10-03 | 25 | Details |