Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6271449 | Musical instrument | Raymond Enhoffer, Richard Simons, Andrzej Krol, Kenneth Benjamin | 2001-08-07 |
| 6020546 | Block percussion instrument | Richard Simons, Donald Kralik | 2000-02-01 |
| D409649 | Block percussion instrument | Richard Simons, Donald Kralick | 1999-05-11 |
| D308217 | Drum head ring | — | 1990-05-29 |
| D297016 | Drum side plate | — | 1988-08-02 |
| 4466596 | Instrument accessory clamping device | — | 1984-08-21 |
| D263480 | Combined guiro and shaker | — | 1982-03-23 |