Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10683746 | Position indicator through acoustics | Ralph H. Echols, William Mark Richards, Joshua Max Hornsby, Gregory William Garrison | 2020-06-16 |
| 9784095 | Position indicator through acoustics | Ralph H. Echols, William Mark Richards, Joshua Max Hornsby, Gregory William Garrison | 2017-10-10 |
| 9192845 | Mouth guard retainer | Eric Yabu | 2015-11-24 |
| D669642 | Mouth guard retainer | Eric Yabu | 2012-10-23 |