Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861936 | Boron-promoted reducible metal oxides and methods of their use | John A. Sofranko, Robert G. Gastinger | 1989-08-29 |
| 4795842 | Methane conversion process | Anne Mae Gaffney, John A. Sofranko | 1989-01-03 |
| 4795849 | Methane conversion process | Ann Gaffney, John A. Sofranko | 1989-01-03 |