Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6249229 | Electronic article security system employing variable time shifts | Eric Eckstein, John Edwin Davies, Jr., Edwin H. Hopton, Jr., Nimesh Shah | 2001-06-19 |
| 4635041 | Theft protection system particularly for shop areas | Mogens Maimann | 1987-01-06 |