Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480811 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2002-11-12 |
| 6347292 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2002-02-12 |