Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D637190 | Guitar controller | Mark S. Izen, Craig Small, Gabriel Viani | 2011-05-03 |
| 7351894 | Guitar string retainer guide | Kelly M. Butler | 2008-04-01 |
| D533210 | Guitar headstock | Kelly M. Butler | 2006-12-05 |
| D516608 | Headstock for a stringed musical instrument | Kelly M. Butler | 2006-03-07 |
| D480415 | Guitar fingerboard inlay | — | 2003-10-07 |