Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474414 | Plug for tubulars | Mark Dean Looney, Robert B. Carpenter, Philip D. Fader | 2002-11-05 |
| 6380547 | Tagging compositions and methods | Roy Goeller, Jacobo Rogelio Archuleta, Dale Spall | 2002-04-30 |