Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450867 | Battery powered, riding, floor treating machine | — | 2002-09-17 |
| 6442789 | Riding floor scrubber | Paul Mueller, Wolfgang Lehmann | 2002-09-03 |
| 6427285 | Floor surface cleaning machine | Kurt Morris Vetse, Galen Swenson | 2002-08-06 |
| 6397429 | Riding floor scrubber | Paul Mueller, Wolfgang Lehmann, Galen Swenson, Patrick Enzler | 2002-06-04 |