Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4492329 | Powder actuated tool | John Benson, Douglas A. Freeman | 1985-01-08 |
| 4487353 | Powder actuated tool | John Benson, Douglas A. Freeman | 1984-12-11 |
| 4446999 | Powder actuated tool safety guard retention | John Benson | 1984-05-08 |