Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6129463 | Ribbon tensioning assembly | Mark Lombardo, Kenneth Colonel | 2000-10-10 |
| 5927875 | Ribbon tensioning assembly | Mark Lombardo, Kenneth Colonel | 1999-07-27 |
| 5836704 | Ribbon tensioning assembly | Mark Lombardo, Kenneth Colonel | 1998-11-17 |