Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676821 | Method for increasing carburization resistance | John V. Heyse, Robert L. Hise, Steven E. Trumbull | 1997-10-14 |
| 5674376 | Low sufur reforming process | John V. Heyse, Robert L. Hise, Steven E. Trumbull | 1997-10-07 |
| 5620937 | Pretreatment method for increasing conversion of reforming catalyst | Robert L. Hise, Steven E. Trumbull, William J. Cannella, Robert A. Innes | 1997-04-15 |
| 5593571 | Treating oxidized steels in low-sulfur reforming processes | John V. Heyse | 1997-01-14 |