Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877566 | Method and apparatus for causing pressure variations in a wellbore | Richard Selinger, Clifford J. Anderson, Michael F. Schoettler | 2005-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877566 | Method and apparatus for causing pressure variations in a wellbore | Richard Selinger, Clifford J. Anderson, Michael F. Schoettler | 2005-04-12 |