Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D349227 | Retractable blade utility knife | James F. Mariol | 1994-08-02 |
| D336029 | Retractable blade utility knife | James F. Mariol | 1993-06-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D349227 | Retractable blade utility knife | James F. Mariol | 1994-08-02 |
| D336029 | Retractable blade utility knife | James F. Mariol | 1993-06-01 |