Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936179 | Apparatus including visual display for tuning stringed musical instruments | Jeffrey A. Merrick | 1999-08-10 |
| 5854437 | Apparatus for tuning electric stringed musical instruments | Jeffrey A. Merrick | 1998-12-29 |