Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7510650 | Perforated plate element screen with sealed element design | Stephen B. Wilcher, Robert Slaby | 2009-03-31 |
| 6942789 | Filter screen assembly | Stephen B. Wilcher, Juan Fernando Segura, Alan Wallace Steele | 2005-09-13 |