Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8146829 | Illuminated token | William Westmore Purton | 2012-04-03 |
| 6833282 | Method of forming an optical sensor device having a composite sandwich structure of alternating titanium and titanium nitride layers | Robert Groulx, Yves Tremblay | 2004-12-21 |