Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091613 | Pedal board for musical instruments | Mark W. Rohde, Roger T. Brown, Dick G. Schalk, Robert L. Smythe | 1992-02-25 |
| 5087798 | Illuminated elastomeric rocker switch assembly | Mark W. Rohde, Dick G. Schalk | 1992-02-11 |