Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4312745 | Non-puffing petroleum coke | Harry L. Hsu, Lloyd I. Grindstaff | 1982-01-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4312745 | Non-puffing petroleum coke | Harry L. Hsu, Lloyd I. Grindstaff | 1982-01-26 |