Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638551 | Helmet including a device for fixing the helmet to the occipital portion of a user's head | — | 1997-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638551 | Helmet including a device for fixing the helmet to the occipital portion of a user's head | — | 1997-06-17 |