Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7208664 | Acoustic stringed instrument with improved cutaway and neck-body joint | Richard F. Regenberg | 2007-04-24 |
| 6051765 | Guitar with controlled neck flex | Richard F. Regenberg, Travis Cox | 2000-04-18 |
| 5886272 | Guitar with captive neck joint | — | 1999-03-23 |