Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7423208 | Stringed instrument and associated fret mapping method | James Norman Griffitts | 2008-09-09 |
| 7256336 | Stringed instrument and associated fret mapping method | James Norman Griffitts | 2007-08-14 |
| 5631432 | Stringed instrument | — | 1997-05-20 |