Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070130 | Apparatus to bias valve closure members | Bryan Quinn Leger, Paul Russell Dalluge | 2011-12-06 |
| 7980530 | Packing nut for control valve | Lynn Mahncke, David John Koester, Andrew John Kinser | 2011-07-19 |
| 7874542 | Actuator levers, collets, and collet removers | Douglas James Boyd, Paul A. Day | 2011-01-25 |