Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860819 | Continuous casting tundish and assembly | Joel C. Mastervich, William J. Kreevich, John R. Knoepke, Daniel Rellis, Jr., Roger J. Glennon +1 more | 1989-08-29 |
| 4828014 | Continuous casting tundish and assembly | Joel C. Matervich, William J. Kreevich, John R. Knoepke, Daniel Rellis, Jr., Roger J. Glennon +1 more | 1989-05-09 |