Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4711651 | Process for separation of hydrocarbon gases | Donnie K. Hill, Charles A. Durr | 1987-12-08 |
| 4710214 | Process for separation of hydrocarbon gases | Donnie K. Hill, Charles A. Durr | 1987-12-01 |
| 4702819 | Process for separation of hydrocarbon mixtures | Donnie K. Hill, Charles A. Durr | 1987-10-27 |