Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D374597 | Utility knife | Douglas J. Birkholz, Charles Quinn, Jerrold N. Austin | 1996-10-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D374597 | Utility knife | Douglas J. Birkholz, Charles Quinn, Jerrold N. Austin | 1996-10-15 |