Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851380 | Process for regenerating sulfur contaminated reforming catalysts | Dean A. Van Leirsburg, Donald Henry Mohr, Paul W. Tamm, Thomas R. Hughes, Charles R. Wilson | 1989-07-25 |