Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439264 | Valve assembly | Craig D. Ellis, Kenith W. Chambers, Scott D. McCormick, Steven D. DeRidder, W. Layne Carruth | 2002-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439264 | Valve assembly | Craig D. Ellis, Kenith W. Chambers, Scott D. McCormick, Steven D. DeRidder, W. Layne Carruth | 2002-08-27 |