Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623772 | Foot-warming system for a boot | Michael E. Sunderland | 1997-04-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623772 | Foot-warming system for a boot | Michael E. Sunderland | 1997-04-29 |