Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8736454 | Microprocessor controlled security tag | Richard E. Halbach, James Stoffer, Mark J. Kieckhefer | 2014-05-27 |
| 8416081 | Microprocessor controlled security tag | Richard E. Halbach, James Stoffer, Mark J. Kieckhefer | 2013-04-09 |
| 7994916 | Microprocessor controlled security tag | Richard E. Halbach, James Stoffer, Mark J. Kieckhefer | 2011-08-09 |
| 7132944 | Microprocessor controlled security tag | Richard E. Halbach, James Stoffer, Mark J. Kieckhefer | 2006-11-07 |