Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6102071 | Elastomeric element valve | Herbert H. Walton, Douglas C. Pfantz, Gary L. Scott, William J. Bonzer, James Lyman Griffin, Jr. +2 more | 2000-08-15 |
| 5975122 | Replaceable flow-control assembly for use in a fluid flow line | Larry H. Hazen, Robert L. Claney | 1999-11-02 |