Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871698 | Carbon bonded refractory bodies | Dale B. Hoggard | 1989-10-03 |
| 4836508 | Ladle shroud with co-pressed gas permeable ring | — | 1989-06-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871698 | Carbon bonded refractory bodies | Dale B. Hoggard | 1989-10-03 |
| 4836508 | Ladle shroud with co-pressed gas permeable ring | — | 1989-06-06 |