Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494605 | Sand control employing halogenated, oil soluble hydrocarbons | Charles R. French, Wilbur L. Hall | 1985-01-22 |
| 4465137 | Varying temperature oil recovery method | Alvin J. Sustek, Jr., Wilbur L. Hall, Thomas S. Teasdale | 1984-08-14 |