Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907651 | Metal-to-metal packer seal for downhole disconnectable pipe joint | — | 1990-03-13 |
| 4819724 | Modified push/pull flood process for hydrocarbon recovery | Robert B. Alston, Donald L. Hoyt | 1989-04-11 |