Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10881260 | Surface maintenance machine with a quick alignment mechanism for a cleaning tool | Warren L. Larson, Kevin R. Williams, Adam J. C. Runnoe | 2021-01-05 |
| 10765286 | Surface maintenance machine | Martin L. Dickrell, Kyle D. Sedam, Jacob L. Stock | 2020-09-08 |
| 10456003 | Surface maintenance machine | Martin L. Dickrell, Kyle D. Sedam, Jacob L. Stock, Michael S. Wilmo, Michael M. Dimovski | 2019-10-29 |
| 10405723 | Surface maintenance machine | John C. Ickes, Martin L. Dickrell, Kyle D. Sedam, Jacob L. Stock | 2019-09-10 |
| 10092158 | Surface maintenance machine with a quick alignment mechanism for a cleaning tool | Warren L. Larson, Kevin R. Williams, Adam J. C. Runnoe | 2018-10-09 |
| 7025834 | Retractable broom and dust skirt | Daniel L. Joynt, Larry Wydra | 2006-04-11 |
| 6428590 | Filter system for mobile debris collection machine | Gregory J. Engel | 2002-08-06 |
| 5996173 | Increased litter storage for vacuum trash collector | Gregory J. Engel | 1999-12-07 |
| 5088149 | Vacuum powered scrub head | David W. Berg, David Jonathan Brenner, Bruce W. Forsman | 1992-02-18 |