Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354670 | Lining apparatus for metallurgical vessels, particularly for steel mill converters and/or blast furnaces | Wolfgang Heidemann | 1982-10-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354670 | Lining apparatus for metallurgical vessels, particularly for steel mill converters and/or blast furnaces | Wolfgang Heidemann | 1982-10-19 |