Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7901343 | Methods and apparatus for centrifuging dry solids | Denis J. Dudrey, James N. Gehrking, Ronald L. Jorgenson, Rodger I. Spears, Lloyd E. Weisert | 2011-03-08 |
| 7077799 | Apparatus and method for a high-efficiency self-cleaning centrifuge having concentrate cylinders | Denis J. Dudrey, James N. Gehrking, Ronald L. Jorgenson, David S. Paulson, Rodger I. Spears +1 more | 2006-07-18 |
| 5242240 | Clamping device for a surgical retractor | — | 1993-09-07 |