Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10984767 | Drum with self-aligning snare | — | 2021-04-20 |
| 10737369 | Nut devices for instrument stand | Richard A. Sikra | 2020-08-11 |
| 10679591 | Trigger tray for percussion instrument | — | 2020-06-09 |
| 10657944 | Electronic cymbal assembly and components thereof | — | 2020-05-19 |
| 10121459 | Musical instrument case | — | 2018-11-06 |
| 9721549 | Drum stand basket with spring adjustment and other features | Richard A. Sikra | 2017-08-01 |
| 9299328 | Tilter for a stand, in particular a cymbal stand | Winfried Holl | 2016-03-29 |
| 8633367 | Variable beater for drums | Winfried Holl | 2014-01-21 |
| 8395039 | Snare drum stand with self-adjusting bracket size | Winfried Holl | 2013-03-12 |
| 8163988 | Snare tension device | Winfried Holl | 2012-04-24 |