Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8941495 | Wireless shelf pusher activity detection system and associated methods | David P. Christianson, Mark Shafer | 2015-01-27 |
| D678794 | Electronic article surveillance security gate | Lee Eckert, Brian V. Conti, Gary Mark Shafer, David P. Christianson | 2013-03-26 |
| 8378823 | Transmit-only electronic article surveillance system and method | Lee Eckert, Brian V. Conti, Gary Mark Shafer | 2013-02-19 |
| D362370 | Table attachment for kettle barbeque | — | 1995-09-19 |