Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8076561 | Methods and apparatus for vibrato effects in keyboard percussion musical instruments | Josef Eberl, Roger Clerc | 2011-12-13 |
| 8049089 | Keyboard percussion instrument and dampening system for use therewith | — | 2011-11-01 |