Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576146 | Filtration element employing improved backwash feature and method of utilizing same | Steven P. Franke, William B. Frauenberger | 2003-06-10 |
| 5445738 | Vibrating filter | William R. Wells, Malcolm R. McDonald | 1995-08-29 |