Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028370 | Cleaning machine for cleaning a surface | Evan A. Gordon, Sergey V. Makarov, Aaron P. Tondra, Robert W. Bauman | 2011-10-04 |
| 7870637 | Stacked tank arrangement for a cleaning apparatus | Richard S. Parr, David L. O'Neal | 2011-01-18 |