KH

Karl W. An Haak

UN Unknown: 1 patents #206 of 2,107Top 10%
Overall (1997): #47,656 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

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