Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336132 | Valve for a wet jigging machine for separating minerals | Karl-Heinz Weiffen | 1982-06-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336132 | Valve for a wet jigging machine for separating minerals | Karl-Heinz Weiffen | 1982-06-22 |