Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044604 | Valve plug having fluid directing grooves | Fred A. Topham, Michael F. Wilson | 1991-09-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044604 | Valve plug having fluid directing grooves | Fred A. Topham, Michael F. Wilson | 1991-09-03 |