Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8863567 | Method and apparatus for fluid loss measurements of wellbore fluids | Lynn H. Jenkins, Mark Sanders | 2014-10-21 |
| 7427582 | Internal breaker | David Antony Ballard, Christopher Alan Sawdon | 2008-09-23 |
| 6861394 | Internal breaker | David Antony Ballard, Christopher Alan Sawdon | 2005-03-01 |