Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750388 | Oil filter gripping tool | David M. Haskamp | 1988-06-14 |
| D296182 | Oil filter gripping tool | David M. Haskamp | 1988-06-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750388 | Oil filter gripping tool | David M. Haskamp | 1988-06-14 |
| D296182 | Oil filter gripping tool | David M. Haskamp | 1988-06-14 |