EH

Erwin Happ

Overall (All Time): #3,581,283 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6228969 Biodegradable polyester urethanes, method for the production and use thereof Yoon Lee, Hartmut Seliger 2001-05-08