Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851196 | Fluid catalytic cracking unit | Floyd H. Holland | 1989-07-25 |
| 4800014 | Catalytic cracking process | George E. Hays, Richard H. Nielsen, Floyd H. Holland | 1989-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851196 | Fluid catalytic cracking unit | Floyd H. Holland | 1989-07-25 |
| 4800014 | Catalytic cracking process | George E. Hays, Richard H. Nielsen, Floyd H. Holland | 1989-01-24 |