Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333839 | Filter system with improved blowdown collection and recirculation means | Richard E. Cardoza | 1982-06-08 |
| 4329228 | Filter plate for horizontal plate filter | Darrell Snell | 1982-05-11 |