Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451232 | Nozzle block for rotary kilns | Helmut Ernst, Karl-Heinz Gehrhardt, Hartmut Wolert | 1984-05-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451232 | Nozzle block for rotary kilns | Helmut Ernst, Karl-Heinz Gehrhardt, Hartmut Wolert | 1984-05-29 |