Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7893124 | Method for producing rigid polyurethane foams | Andreas Emge, Holger Seifert, Stefan Dinsch, Johann Klassen | 2011-02-22 |
CS
Christian Stelling
Overall (All Time): #3,241,510 of 4,157,543Top 80%
1
Patents All Time