Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012581 | Universal utility knife | David H. Mallalieu, Donald P. Cummings | 1991-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012581 | Universal utility knife | David H. Mallalieu, Donald P. Cummings | 1991-05-07 |