Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494605 | Sand control employing halogenated, oil soluble hydrocarbons | John F. Wiechel, Wilbur L. Hall | 1985-01-22 |
| 4207945 | Recovering petroleum from subterranean formations | Wilbur L. Hall, Ching H. Wu, Alfred Brown | 1980-06-17 |