Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5950245 | Adjustable headband with a ratchet mechanism having different resistances | — | 1999-09-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5950245 | Adjustable headband with a ratchet mechanism having different resistances | — | 1999-09-14 |