Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073525 | Lightweight tundish refractory composition | Jung-Jen A. Cheng, Wilfred A. Martinez | 1991-12-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073525 | Lightweight tundish refractory composition | Jung-Jen A. Cheng, Wilfred A. Martinez | 1991-12-17 |