Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5007084 | Payment Authorization and Information Device | Richard Materna, Roy Richardson | 1991-04-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5007084 | Payment Authorization and Information Device | Richard Materna, Roy Richardson | 1991-04-09 |