Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7866408 | Well tool including swellable material and integrated fluid for initiating swelling | David B. Allison, Steven G. Streich, Christopher J. Chalker, Kristian Solhaug | 2011-01-11 |