Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7979951 | Surface cleaning apparatus with recovery tank | Kenneth M. Lenkiewicz | 2011-07-19 |
| 7979955 | Surface cleaning apparatus with recovery tank | Kenneth M. Lenkiewicz | 2011-07-19 |