Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020544 | Piano sostenuto assembly | Marvin Scott Jones, Peter M. Barna, Anthony C. Arena, Michael Mohr | 2000-02-01 |
| 5654515 | Piano key leveling | — | 1997-08-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020544 | Piano sostenuto assembly | Marvin Scott Jones, Peter M. Barna, Anthony C. Arena, Michael Mohr | 2000-02-01 |
| 5654515 | Piano key leveling | — | 1997-08-05 |