Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6209292 | Debit card box package | — | 2001-04-03 |
| 6145665 | Debit card box package | — | 2000-11-14 |
| 5958174 | Manufacture of telephone debit cards | E. Douglas Ramsberg, Jeffrey S. Walter, Ralph F. Irelan, John L. Wantz, Eric Patterson | 1999-09-28 |
| 5650209 | Manufacture of telephone debit cards | E. Douglas Ramsburg, Jeffrey S. Walter, Ralph F. Irelan, John L. Wantz, Eric Patterson | 1997-07-22 |