Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533035 | Method and apparatus for stimulating well production | Millard Lewis, Robert A. Ereth | 2003-03-18 |
| 6142232 | Method and apparatus for cleaning wells | Neil Mansuy | 2000-11-07 |