Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10427076 | Diatomaceous earth filter apparatus and method | Leonard Richiuso, Brian Cox | 2019-10-01 |
| 8992775 | Diatomaceous earth filter apparatus and method | Leonard Richiuso, Brian Cox | 2015-03-31 |
| 7513993 | Filter devices including a porous body | Timothy Michael Goodwin, Christopher R. Yahnker, Bret Schaller, Arthur J. Bromley | 2009-04-07 |