Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9826722 | Aquarium filter containing a cartridge clog indicator | Andy Hudson, Brad L. Mihlbauer, Mark Agresta, YU-MAO FENG | 2017-11-28 |
| 6629326 | See through side shield | — | 2003-10-07 |