Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7877836 | Extractor control apparatus | — | 2011-02-01 |
| 7870637 | Stacked tank arrangement for a cleaning apparatus | Richard S. Parr, Michael A. Durbin | 2011-01-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7877836 | Extractor control apparatus | — | 2011-02-01 |
| 7870637 | Stacked tank arrangement for a cleaning apparatus | Richard S. Parr, Michael A. Durbin | 2011-01-18 |