Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6930234 | Adjustable keyboard apparatus and method | — | 2005-08-16 |
| 6218602 | Integrated adaptor module | Robert D. Lawson, Lance Lyda, Jay Scott Siekmann | 2001-04-17 |
| 4356755 | Organ stop control panel | Roy A. Anderson | 1982-11-02 |
| 4347405 | Sound reproducing systems utilizing acoustic processing unit | — | 1982-08-31 |