Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5555785 | Paper slitting device with integral spring biasing means | Donna J. Scalise | 1996-09-17 |
| 4879932 | Manually operable paper slitting device and method | Donna J. Scalise | 1989-11-14 |