Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566881 | Process and apparatus for producing oxygen with a low proportion of argon from air | Ekkehard Richter, Karl Knoblauch, Werner Korbacher | 1986-01-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566881 | Process and apparatus for producing oxygen with a low proportion of argon from air | Ekkehard Richter, Karl Knoblauch, Werner Korbacher | 1986-01-28 |