Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4273028 | Valves and operating system for expansion machines | Ernst Turnwald, Stefan Asztalos | 1981-06-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4273028 | Valves and operating system for expansion machines | Ernst Turnwald, Stefan Asztalos | 1981-06-16 |