Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834979 | Arcuate drive through bin door assembly | Tun Ge, John A. Hanig | 2017-12-05 |
| D788904 | Vent assembly for a grain bin | John A. Hanig, Steven E. Sukup, Eugene G. Sukup, Charles E. Sukup | 2017-06-06 |