Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225665 | Ticket originating and processing device for transit vehicle | Arthur S. Zerfahs, Norman Diamond | 1993-07-06 |
| 4730117 | Cash box identification system | — | 1988-03-08 |
| 4380316 | Electronic interlock for a cash collection receptacle | John Glinka | 1983-04-19 |