Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620674 | Pneumatic actuated roller assembly for a roller mill | Kenneth W. Hanstine, Stephen A. Lukacz | 1986-11-04 |
| 4497122 | Rotary coal feeder and dryer | Thomas Peters | 1985-02-05 |