Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37258 | Object oriented printing system | Ryoji Watanabe, Mark Peek, L. Bayles Holt, Mahinda K. de Silva | 2001-07-03 |
| 5566278 | Object oriented printing system | Ryoji Watanabe, Mark Peek, L. Bayles Holt, Mahinda K. de Silva | 1996-10-15 |