Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6087569 | Stereophonic musical string instrument | — | 2000-07-11 |
| 5567896 | String instrument with sound amplification | — | 1996-10-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6087569 | Stereophonic musical string instrument | — | 2000-07-11 |
| 5567896 | String instrument with sound amplification | — | 1996-10-22 |