Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4509549 | Hydraulic powered gate valve | William R. Kerns, Daniel E. Filley, Gary A. Koschnick | 1985-04-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4509549 | Hydraulic powered gate valve | William R. Kerns, Daniel E. Filley, Gary A. Koschnick | 1985-04-09 |