Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682735 | Gear driven roller brush | Ronald L. Reichen, Larry N. Smith, Donald Emil Niosi | 1997-11-04 |
| 5678396 | Sectioned grooved roller scraper | Christopher S. Thorman, Ronald L. Reichen | 1997-10-21 |
| 5634325 | Spiral grooved roller mechanism | Christopher S. Thorman, Richard David Thier | 1997-06-03 |