Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971137 | Floor maintenance machine with air-cooled motor | Paul M. Pierce | 2005-12-06 |
| 6530102 | Scrubber head anti-vibration mounting | Paul M. Pierce | 2003-03-11 |
| RE35033 | Scrubber squeegees for scrubbing forward and backward | — | 1995-09-12 |
| 5319828 | Low profile scrubber | Christopher K. Pearce, Ross Rumfola, III | 1994-06-14 |
| RE33926 | Scrubber squeegees for scrubbing forward and backward | — | 1992-05-19 |
| 4817233 | Scrubber squeegees for scrubbing forward and backward | — | 1989-04-04 |
| 4788480 | Voltage control for battery powered motor or the like | Bruce F. Field, Richard A. Mason | 1988-11-29 |
| 4492002 | Floor cleaning machine | Dennis J. Corneil | 1985-01-08 |
| 4483041 | Support for a squeegee assembly | Richard D. Masbruch | 1984-11-20 |
| 4406980 | Speed and direction control mechanism | Richard D. Masbruch | 1983-09-27 |
| 4364138 | Automatic floor cleaning machine with removable drive carriage | Richard D. Masbruch | 1982-12-21 |
| 4339841 | Squeegee support assembly for automatic floor cleaning machines | Richard D. Masbruch | 1982-07-20 |
| 4262382 | Multi-speed brush control | Neil F. Brown, Keith N. Krier, Donald J. Haub | 1981-04-21 |