Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6349829 | Card package assembly and method of making same | Mark A. Matheis, Robert M. Brown | 2002-02-26 |
| 5958174 | Manufacture of telephone debit cards | E. Douglas Ramsberg, Gerald C. Krahn, Jeffrey S. Walter, Ralph F. Irelan, Eric Patterson | 1999-09-28 |
| 5760381 | Prepaid card | Rebecca Stich, Douglas Ramsburg, Ginger A. Rice, Don Dalgauer, Stephen R. Nassoiy | 1998-06-02 |
| 5650209 | Manufacture of telephone debit cards | E. Douglas Ramsburg, Gerald C. Krahn, Jeffrey S. Walter, Ralph F. Irelan, Eric Patterson | 1997-07-22 |