Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186977 | Closet flange with bolt support | Jeffrey Zhang, Kenneth Brown | 2021-11-30 |
| 11001996 | Bath waste and overflow systems and methods of use | Shawn Heipp, Kenneth Brown, Douglas Buchan, Joshua Funk, Kai Zhang | 2021-05-11 |
| 10975983 | Wireform clip for use with supply valves | Kai Zhang, Kenneth Brown | 2021-04-13 |