Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6327942 | Multiple bit driver | James F. Mariol | 2001-12-11 |
| 5909930 | Retractable blade utility knife having quick change feature | James F. Mariol | 1999-06-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6327942 | Multiple bit driver | James F. Mariol | 2001-12-11 |
| 5909930 | Retractable blade utility knife having quick change feature | James F. Mariol | 1999-06-08 |