Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5705133 | Stationary screen extractor | Timothy G. Kemper, Tony L. Ritter, Kenneth R. Frodge, Brian Patton | 1998-01-06 |
| 5591416 | Stationary screen extractor | Timothy G. Kemper, Tony L. Ritter | 1997-01-07 |