Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594191 | System for instructing note and chord finger placement on stringed instruments | Gary Robin Epstein | 1997-01-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594191 | System for instructing note and chord finger placement on stringed instruments | Gary Robin Epstein | 1997-01-14 |