Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7458809 | Portable kiln | John S. Hohenshelt, Robert L. Gieselman | 2008-12-02 |
| D484897 | Portable electric furnace | John S. Hohenshelt, Robert L. Gieselman | 2004-01-06 |
| 6619952 | Kiln with drop-down control panel | John S. Hohenshelt, Robert L. Gieselman | 2003-09-16 |