CK

Christian Kasperk

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #2,324,809 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4938938 Process for the preparation of a hydroxyl apatite material Rolf Ewers, Bruno Simons 1990-07-03
4770860 Porous hydroxyl apatite material Rolf Ewers 1988-09-13