Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D431589 | Guitar | Grant Kenneth Steinberg | 2000-10-03 |
| D422015 | Guitar body | Grant Kenneth Steinberg | 2000-03-28 |
| 5852249 | Elongated string support for a stringed musical instrument | Grant Kenneth Steinberg, Scott Nelson Quinn | 1998-12-22 |