Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6519808 | Squeegee mounting assembly for a floor scrubber | Donald Joseph Legatt, Paul Mueller, Wolfgang Lehmann, Galen Swenson | 2003-02-18 |
| 6397429 | Riding floor scrubber | Donald Joseph Legatt, Paul Mueller, Wolfgang Lehmann, Galen Swenson | 2002-06-04 |