Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792665 | Oxygen sensing method and hand held analyzer therefore | — | 1998-08-11 |
| D326770 | Cleated sole | Richard C. Cotton | 1992-06-09 |
| D325294 | Cleated sole | Richard C. Cotton | 1992-04-14 |
| 4769931 | Cleated sole for footwear | Richard C. Cotton | 1988-09-13 |