Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9511598 | Recirculation of ink | Robert Lee Wells, Bailey Smith, Marlene McDonald, William R. Letendre, Matthew Aubrey +2 more | 2016-12-06 |
| 9144993 | Recirculation of ink | Robert Lee Wells, Bailey Smith, Marlene McDonald, William R. Letendre, Matthew Aubrey +2 more | 2015-09-29 |
| 8752946 | Recirculation of ink | Robert Lee Wells, Bailey Smith, Marlene McDonald, William R. Letendre, Matthew Aubrey +2 more | 2014-06-17 |