Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792714 | Thermoregulatory apparel | Charles Duncan | 1998-08-11 |
| 5636380 | Thermoregulatory apparel | Charles Duncan | 1997-06-10 |
| 5343637 | Shoe and elastic sole insert therefor | — | 1994-09-06 |