Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D508871 | Adjustment device for helmet strap | — | 2005-08-30 |
| D508659 | Adjustment device for helmet strap | — | 2005-08-23 |
| D495836 | Helmet | — | 2004-09-07 |
| D495837 | Helmet | — | 2004-09-07 |
| 6332227 | Ring band adjustment structure of crash helmet | — | 2001-12-25 |
| 6314587 | Ring band adjustment structure of crash helmet | — | 2001-11-13 |
| 6314588 | Ring band adjustment structure of crash helmet | — | 2001-11-13 |
| 6219851 | Ring-band adjustment structure of crush helmet | — | 2001-04-24 |