Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6330978 | Electronic purse card value system card security method | Lawrence Gianfagna, Douglas E. Roth, Ed Kurtek, Alan Goulet, Robert D. Symonds +6 more | 2001-12-18 |
| 6145740 | Electronic purse card value system | Lawrence Gianfagna, Douglas E. Roth, Ed Kurtek, Alan Goulet, Robert D. Symonds +6 more | 2000-11-14 |
| 6032135 | Electronic purse card value system terminal programming system and method | Lawrence Gianfagna, Douglas E. Roth, Ed Kurtek, Alan Goulet, Robert D. Symonds +6 more | 2000-02-29 |