Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5507920 | Process and apparatus for purifying vinyl chloride | Peter Schwarzmaier, Peter Kammerhofer, Manfred Stoger, Ingolf Mielke | 1996-04-16 |
HK
Helmut Kalliwoda
Overall (All Time): #3,740,538 of 4,157,543Top 90%
1
Patents All Time