Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7687693 | Grand piano composite piano action | Bruce E. Clark, Kevin Burke | 2010-03-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7687693 | Grand piano composite piano action | Bruce E. Clark, Kevin Burke | 2010-03-30 |