Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9364836 | Method and apparatus for removing metallic matter from an oil well circulating completion fluid stream | Pat Williamson, Steve Callegari, Raphael Fontenot, Larry Foley | 2016-06-14 |
| 8753517 | Method and apparatus for removing metallic matter from an oil well circulating completion fluid stream | Pat Williamson, Steve Callegari, Larry Foley, Raphael Fontenot | 2014-06-17 |