Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384963 | Razor knife with autoretracting blade | — | 1995-01-31 |
| 4899443 | Safety knife for cardboard and like materials | — | 1990-02-13 |
| 4837931 | Device for cutting pieces from a substantially cylindrical article | — | 1989-06-13 |
| 4320576 | Razor knife with self-retracting blade | — | 1982-03-23 |
| 4180908 | Grooving tool | — | 1980-01-01 |