Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642442 | Method and apparatus for fully adjusting and providing tempered intonation for stringed, fretted musical instruments, and making adjustments to the rule of 18 | Howard B. Feiten | 2003-11-04 |