Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8015912 | Diaphragm pump having a twist and lock fastener | Robert William Stimpson | 2011-09-13 |
| 7942653 | Electric shower-waste pump and control unit | Robert William Stimpson, Ian Felmeri | 2011-05-17 |