Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923423 | Small bore gate valve | Taylor L. Jones, Philip Hernandez, David Cain, Gregory L. Glidden, Christopher D. Bartlett +2 more | 2005-08-02 |
| 4390186 | Metal-to-metal ribbed seal | John K. McGee, Harold L. Lafferty, Charles D. Bridges | 1983-06-28 |