Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927857 | Method of methanol production | Robert M. Yarrington | 1990-05-22 |
| 4863707 | Method of ammonia production | Robert M. Yarrington | 1989-09-05 |
| 4483691 | Production of synthetic natural gas from coal gasification liquid by-products | Robert M. Yarrington | 1984-11-20 |