Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7183473 | Ergonomic stringed instrument and ergonomic roundback guitar | Robert D. Wallace, David McDonald, Scott Keeley, Julian Groeli | 2007-02-27 |
| 6372970 | Stringed musical instrument body and neck assembly | Robert Howard Saunders, Nicholas Ladutko, Donald M. Johnson, William P. Vassilopoulos, Clifford Gunsallus +1 more | 2002-04-16 |
| 6294718 | Stringed musical instrument top member | Robert Howard Saunders, Nicholas Ladutko, Donald M. Johnson, William P. Vassilopoulos, Clifford Gunsallus +1 more | 2001-09-25 |