Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11313150 | Magnetic lock release indicator / power failure indicator | — | 2022-04-26 |
| 7344086 | Anti-theft lottery ticket and methods | Harry Grossman | 2008-03-18 |
| 5635981 | Visitor identification system | — | 1997-06-03 |