Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4381691 | Touch force adjustment means for a piano | Harold A. Conklin, Jr. | 1983-05-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4381691 | Touch force adjustment means for a piano | Harold A. Conklin, Jr. | 1983-05-03 |