Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621200 | Electronic verification machine for validating a medium having conductive material printed thereon | Gary R. Streeter, Steven J. Daigle | 1997-04-15 |
| 5599046 | Lottery ticket structure with circuit elements | William F. Behm, Mark Tevis | 1997-02-04 |