Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7650979 | Ball transfer device | Stephen D. Szarkowski, David M. Pruett, Raymond D. Middlemiss, Ernest L. Klemm | 2010-01-26 |
| 7584840 | Strip belt conveyor | Stephen D. Szarkowski, Thomas Harding, Steve DiOrio | 2009-09-08 |
| 6050395 | Knife edge converter | Shawn Shannon | 2000-04-18 |