Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38468 | Replaceable sleeve | Michael E. McLean, Thomas Gerald Ferguson | 2004-03-23 |
| 5983799 | Replaceable sleeve | Michael E. McLean, Thomas Gerald Ferguson | 1999-11-16 |
| 5860360 | Replaceable printing sleeve | Michael E. McLean, Thomas Gerald Ferguson | 1999-01-19 |