Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7716126 | Method of facilitating participation in lotteries | Donald J. France, Matthew J. Urban | 2010-05-11 |
| 5025567 | Illuminated spirit level using fiber optic devices | Robert L. Karg | 1991-06-25 |