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Patent applications and USPTO patent grants for Weaver; Jon N..The latest application filed is for "deactivatable coded marker and magnetic article surveillance system".
Patent | Date |
---|---|
Deactivatable coded marker and magnetic article surveillance system Grant 4,779,076 - Weaver October 18, 1 | 1988-10-18 |
Electrical surveillance apparatus with moveable antenna elements Grant RE32,627 - Humble , et al. March 22, 1 | 1988-03-22 |
Electromagnetic surveillance system with improved signal processing Grant 4,675,657 - Weaver June 23, 1 | 1987-06-23 |
Magnetic article surveillance system, method and coded marker Grant 4,622,542 - Weaver November 11, 1 | 1986-11-11 |
Surveillance system employing a dual function floor mat radiator Grant 4,430,645 - Eskandry , et al. February 7, 1 | 1984-02-07 |
Combined radio and magnetic energy responsive surveillance marker and system Grant 4,413,254 - Pinneo , et al. November 1, 1 | 1983-11-01 |
Electrical surveillance apparatus with moveable antenna elements Grant 4,394,645 - Humble , et al. July 19, 1 | 1983-07-19 |
Magnetic surveillance system with odd-even harmonic and phase discrimination Grant 4,309,697 - Weaver January 5, 1 | 1982-01-05 |
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