Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851266 | A-frame rack systems for transporting glass sheets | John V. Schmitt, Robert J. Carlson, Mike Walker, Bill Coppage | 2023-12-26 |
| 8464988 | Keyboard instrument stand with concave sides | — | 2013-06-18 |