Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8656520 | Athletic helmet | — | 2014-02-25 |
| 6941952 | Athletic mouthpiece capable of sensing linear and rotational forces and protective headgear for use with the same | — | 2005-09-13 |
| 6381757 | Inflatable chin strap for a helmet | — | 2002-05-07 |
| 6332226 | Impact indicator for athletic helmets | — | 2001-12-25 |
| 6065158 | Impact indicator for athletic helmets | — | 2000-05-23 |
| 5826281 | Inflatable chin strap for a helmet | — | 1998-10-27 |
| 5621922 | Sports helmet capable of sensing linear and rotational forces | — | 1997-04-22 |
| 5546609 | Helmet | — | 1996-08-20 |
| 5539935 | Sports helmet | — | 1996-07-30 |
| 5390367 | Helmet and shoulder pads having inflatable protective means to protect cervical spine | — | 1995-02-21 |
| 5287562 | Helmet to protect cervical spine against axial impact forces | — | 1994-02-22 |