Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9633629 | Piano or grand piano with strings and a sound bridge with reduced mass and improved tonal quality | Nikolaus Schimmel | 2017-04-25 |
| 9552798 | Pianoforte instrument, in particular a piano, with a housing on bearing points | — | 2017-01-24 |
| 9082371 | Keyboard instrument | — | 2015-07-14 |