Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7059015 | Tool mounting assembly for a surface maintenance machine | Robert A. Geyer, Richard A. Nelson, Terence A. Peterson | 2006-06-13 |
| 6896742 | Brushless scrub head for surface maintenance | Robert A. Geyer, Ian Taylor, Christopher K. Pearce | 2005-05-24 |
| 6802098 | Cylindrical brush idler-side taper adjustment assembly | Robert A. Geyer | 2004-10-12 |
| 5455985 | Steerable side squeegees | Steven L. Boomgaarden, Gregory J. Engel, Bryan Christensen | 1995-10-10 |