Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7665174 | Cleaning head for use in a floor cleaning machine | Michael T. Basham, Warren L. Larson, Richard W. Wellens, Mark J. Fleigle | 2010-02-23 |
| 7448114 | Floor sweeping and scrubbing machine | Warren L. Larson, Richard W. Wellens, Mark J. Fleigle, Don Durenberger, Brent Hayden +2 more | 2008-11-11 |
| 7059015 | Tool mounting assembly for a surface maintenance machine | Anthony Hamline, Robert A. Geyer, Richard A. Nelson | 2006-06-13 |
| 5647093 | Sweeper with dual seal filter | Gregory J. Engel, Robert D. Hennessey, Timothy G. LaRocque | 1997-07-15 |
| 5016310 | Floor scrubber having laterally variable scrub brush position | Robert A. Geyer | 1991-05-21 |