Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5238555 | Process for purifying a hydrogen gas and recovering liquifiable hydrocarbons from hydrocarbonaceous effluent streams | Donald E. Felch | 1993-08-24 |
| 5178751 | Two-stage process for purifying a hydrogen gas and recovering liquifiable hydrocarbons from hydrocarbonaceous effluent streams | — | 1993-01-12 |