Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431348 | Subsurface drill string | William L. Casper, Blair K. Grover, Rodney Mathewson, Craig A. Seymour | 2008-10-07 |
| 7311011 | Apparatuses for interaction with a subterranean formation, and methods of use thereof | Richard Lloyd Jones, Terry D. Turner, Joel M. Hubbell, James B. Sisson | 2007-12-25 |
| 7178391 | Insertion tube methods and apparatus | William L. Casper, Blair K. Grover, Rodney Mathewson, Craig A. Seymour | 2007-02-20 |
| 6938503 | Lysimeter apparatus | Eugene E. Erickson, William L. Casper, David M. Everett, Joel M. Hubbell, James B. Sisson | 2005-09-06 |
| 6826972 | Lysimeter methods and apparatus | Eugene E. Erickson, William L. Casper, David M. Everett, Joel M. Hubbell, James B. Sisson | 2004-12-07 |
| 6820701 | Visual probes and methods for placing visual probes into subsurface areas | Eugene E. Erickson, William L. Casper, David M. Everett | 2004-11-23 |