Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4469496 | Means for separating isotopes of hydrogen based on the principle of gas chromatography | Hans Frischmuth, Jurgen Perchermeier, Heinrich Weichselgartner | 1984-09-04 |