Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8641892 | Barrel-type fish/particle screen with adjustable flow distribution and debris removal | John L. Winther | 2014-02-04 |
| 6682651 | Barrel type fish and/or particulate screen device | John L. Winther | 2004-01-27 |