Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5534836 | Deactivator for theft-deterrent markers | Howard M. Schenkel, Jeffrey J. Ronan | 1996-07-09 |
| D363200 | Security tag removal tool | Hans P. Witzky | 1995-10-17 |
| 5430511 | Controller for a surveillance assembly | Robert Paff, Howard M. Schenkel, Edwin S. Thompson | 1995-07-04 |
| D356476 | Security tag removal tool | Hans P. Witzky | 1995-03-21 |
| D349254 | Control unit for a surveillance system | — | 1994-08-02 |
| D332044 | Detaching unit for removing electronic anti-theft surveillance tags at the time of sale | — | 1992-12-29 |
| 5031756 | Keeper for compact disc package or the like | Thang Tat Nguyen, James M. Keil | 1991-07-16 |