Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6951248 | Method of separating oil from geological formations | Lawrence Conaway, Michael Keller, David Caffey | 2005-10-04 |
| 6840760 | Gas-assisted flare burner | Michael Keller, John A. Simmer | 2005-01-11 |