Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9976293 | Manual bidet | Mark S. Bickerstaffe, Zunqing Zang, Ziyi Yuan, John A. Teubert | 2018-05-22 |
| 9283144 | Manual bidet | Mark S. Bickerstaffe, Zunqing Zang, Ziyi Yuan, John A. Teubert | 2016-03-15 |
| D579520 | Faucet | — | 2008-10-28 |