Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8584294 | Floor cleaner scrub head having a movable disc scrub member | — | 2013-11-19 |
| 7805802 | Floor cleaning machine debris collection system | Kevin L. Shinler, Laurence A. Jensen | 2010-10-05 |
| 7244000 | By wire control of braking and acceleration | Steven V. Feeny, Robert Erko, Paul Groschen, Richard Milun | 2007-07-17 |
| 6470932 | Automatic centering system for finishing machine | Howard W. Grivna | 2002-10-29 |