Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376885 | Process and apparatus for producing a ring unit for the valve parts of labyrinth valves | — | 1983-03-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376885 | Process and apparatus for producing a ring unit for the valve parts of labyrinth valves | — | 1983-03-15 |