Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8060968 | Variable belt tensioner for drain cleaning devices | Michael J. Rutkowski | 2011-11-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8060968 | Variable belt tensioner for drain cleaning devices | Michael J. Rutkowski | 2011-11-22 |