Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6272712 | Brush box containment apparatus | Thomas R. Gockel, Lorin Olson, Lynn Ryle, Michael Ravkin | 2001-08-14 |
| 6119295 | Brush assembly apparatus | Thomas R. Gockel, Lorin Olson, Lynn Ryle | 2000-09-19 |
| 5924154 | Brush assembly apparatus | Thomas R. Gockel, Lorin Olson, Lynn Ryle, Michael Ravkin | 1999-07-20 |
| 5809832 | Roller positioning apparatus | Thomas R. Gockel, Lorin Olson, Lynn Ryle | 1998-09-22 |
| 5794299 | Containment apparatus | Thomas R. Gockel, Lorin Olson, Lynn Ryle | 1998-08-18 |
| 4435022 | Track block | — | 1984-03-06 |