Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230712 | Head immobilization device | — | 2001-05-15 |
| 6036664 | Automatic adjustable cervical collar | William A. Martin | 2000-03-14 |
| 5797863 | Collapsible cervical collar | — | 1998-08-25 |