Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7958590 | Cleaning tool handle for use with a disposable toilet brush | Susan M. Trefethren, Craig M. Thoms, Maggie VanderHeiden Berger, Christopher James Uecker, Carl G. Rippl +1 more | 2011-06-14 |
| 7921497 | Carpet stain removal device | Stephen Bradford Cook, Gregory J. Rajala, Carl G. Rippl | 2011-04-12 |