Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524514 | Combination of a tool and a hollow tool sectional handle | David H. Mallalieu, Douglas C. DeVries | 1985-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524514 | Combination of a tool and a hollow tool sectional handle | David H. Mallalieu, Douglas C. DeVries | 1985-06-25 |