Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4686515 | Apparatus and method for marker verification | Richard C. Ujazdowski, Jeffrey C. Urbanski | 1987-08-11 |
| 4685234 | Surveillance marker clip assembly | Ronald K. Reich | 1987-08-11 |
| 4675658 | System including tuned AC magnetic field transmit antenna and untuned AC magnetic field receive antenna | John J. Torre | 1987-06-23 |
| 4675655 | Apparatus and method for marker verification | Richard C. Ujazdowski, Jeffrey C. Urbanski | 1987-06-23 |
| 4651136 | Pulsed magnetic release mechanism | Ronald K. Reich, Richard C. Ujazdowski | 1987-03-17 |
| 4647917 | Article control system having coded magnetomechanical marker | Jeffrey C. Urbanski | 1987-03-03 |
| 4644310 | Actuator system having magnetomechanical cantilever beam formed of ferromagnetic amorphous material | Jeffrey C. Urbanski | 1987-02-17 |
| 4633250 | Coplanar antenna for proximate surveillance systems | John J. Torre | 1986-12-30 |
| 4622543 | Surveillance system having acoustic magnetomechanical marker | Jeffrey C. Urbanski | 1986-11-11 |
| 4553136 | Amorphous antipilferage marker | Ryusuke Hasegawa, Robert M. VonHoene | 1985-11-12 |
| 4510489 | Surveillance system having magnetomechanical marker | Gerald R. Bretts, James E. Kearney | 1985-04-09 |
| 4510490 | Coded surveillance system having magnetomechanical marker | James E. Kearney, Gerald R. Bretts | 1985-04-09 |
| 4479389 | Tuned vibration detector | Ronald K. Reich, Donald Raskin | 1984-10-30 |
| 4463610 | Tuned vibration detector | Donald Raskin, Ronald K. Reich | 1984-08-07 |
| 4434411 | Temperature-sensitive switch | James E. Kearney, Scott E. Gordon | 1984-02-28 |
| 4414519 | Temperature-sensitive relay | Ronald K. Reich | 1983-11-08 |