Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863376 | Walking beam furnace | Helmut Springer, Dieter Schwab | 1989-09-05 |
| 4648837 | Walking beam furnace | Dieter Schwab, Helmut Springer | 1987-03-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863376 | Walking beam furnace | Helmut Springer, Dieter Schwab | 1989-09-05 |
| 4648837 | Walking beam furnace | Dieter Schwab, Helmut Springer | 1987-03-10 |