Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D641392 | Damper lever flange for grand piano | Bruce E. Clark | 2011-07-12 |
| D636430 | Damper lever for grand piano | Bruce E. Clark | 2011-04-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D641392 | Damper lever flange for grand piano | Bruce E. Clark | 2011-07-12 |
| D636430 | Damper lever for grand piano | Bruce E. Clark | 2011-04-19 |