Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993465 | Router tool for and method of producing workpieces with alternating contour mating surfaces | Lawrence M. Cotton | 1991-02-19 |
| 4827996 | Power tool for trimming laminate | Lawrence M. Cotton, John Charles Derler | 1989-05-09 |