Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6142533 | Lottery ticket with hidden conductive ink security means | — | 2000-11-07 |
| 5403039 | Tamper-resistant article and method of authenticating the same | Robert O. Fulton, Jacques Lavoie | 1995-04-04 |
| 5193854 | Tamper-resistant article and method of authenticating the same | Robert O. Fulton, Jacques Lavoie | 1993-03-16 |