Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D456442 | Handle for a musical instrument | Richard Simons, Donald Kralik | 2002-04-30 |
| 6271449 | Musical instrument | Raymond Enhoffer, Richard Simons, Andrzej Krol, Martin Cohen | 2001-08-07 |
| D441007 | Handle for a musical instrument | Richard Simons, Donald Kralik | 2001-04-24 |
| 4846197 | Therapeutic device | — | 1989-07-11 |