Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345623 | Multiport disk valve, especially for dust-remover duct systems | Walther Krull, Dieter Kohn | 1982-08-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345623 | Multiport disk valve, especially for dust-remover duct systems | Walther Krull, Dieter Kohn | 1982-08-24 |