Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7222712 | Document validator with locking cassette | Donald Liu | 2007-05-29 |
| 7014189 | Alignment disk for document validator | Donald Liu | 2006-03-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7222712 | Document validator with locking cassette | Donald Liu | 2007-05-29 |
| 7014189 | Alignment disk for document validator | Donald Liu | 2006-03-21 |