Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795548 | Process for making anode grade coke | Leon E. Velasco R, Rafael Hidalgo, Joaquin Rodriguez | 1989-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795548 | Process for making anode grade coke | Leon E. Velasco R, Rafael Hidalgo, Joaquin Rodriguez | 1989-01-03 |