Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8614381 | Method and structure for portable piano sound reflector | — | 2013-12-24 |
| 6720489 | Piano muter | — | 2004-04-13 |
| RE38172 | Grand piano having a lower lid | John Meyer | 2003-07-08 |
| 5301588 | Grand piano having a lower lid | John Meyer | 1994-04-12 |