Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6573442 | Anti-friction drum strand tensioner | — | 2003-06-03 |
| 6570075 | Controlled tilting of cymbals device | — | 2003-05-27 |
| 6559368 | Cushioned percussion device | Richard A. Sikra | 2003-05-06 |
| 6550860 | Wheeled telescopic percussion instrument container | — | 2003-04-22 |