Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8037018 | Document validation system and method | Andrew B. Waldo, Yong Zou, Clive Raven | 2011-10-11 |
| 7769712 | Document validation system and method | Andrew B. Waldo, Yong Zou, Clive Raven | 2010-08-03 |
| 5037250 | Rotary tool holder | — | 1991-08-06 |