KH

Karl W. An Haak

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,708,945 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5597581 Chitosan foil for wound sealing and process for its preparation Hans-Jurgen Kaessmann 1997-01-28