Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8236736 | Oil-based insulating packer fluid | Larry H. Leggett, Charles Svoboda, Morris Arvie, Jr., Robert L. Horton | 2012-08-07 |
| 7863223 | Oil-based insulating packer fluid | Larry H. Leggett, Charles Svoboda, Morris Arvie, Jr., Robert L. Horton | 2011-01-04 |