Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11083942 | Flag release system and method | Brian M. Brown | 2021-08-10 |
| 6125495 | Variable diameter cleaning brush | Bruce F. Field, Earl Krueger | 2000-10-03 |
| 6117200 | Electromagnetic filter cleaning system | Bruce F. Field, Joseph Pouliot | 2000-09-12 |
| 6096383 | Curing of floor coatings using long and short wave ultraviolet radiation | Bruce F. Field, Norman William Gill, Joseph S. Keute, Deone E. Johnson, Earl Krueger | 2000-08-01 |
| 6070679 | Powered utility cart having engagement adapters | Joseph Berg, Dennis R. Johnson | 2000-06-06 |
| 5940929 | Surface maintenance machine with improved dust collection system | — | 1999-08-24 |
| 5884353 | Sweeper with hopper heat shield | Michael S. Wilmo | 1999-03-23 |
| 5088149 | Vacuum powered scrub head | David Jonathan Brenner, Ronald W. Lehman, Bruce W. Forsman | 1992-02-18 |
| 4729141 | Disc brush suspension for a floor maintenance machine | Steven V. Feeny | 1988-03-08 |
| D273620 | Power sweeper | Paul W. Kimzey, Warren L. Larson | 1984-04-24 |