Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963613 | Padded shower seats | — | 2011-06-21 |
| 7942653 | Electric shower-waste pump and control unit | Robert William Stimpson, Yanchun Wang | 2011-05-17 |
| 7937785 | Pumped shower draining device | Robert William Stimpson | 2011-05-10 |