ES

Erwin Stark

BF Basf Lacke & Farben: 1 patents #123 of 254Top 50%
Overall (All Time): #3,892,005 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5073623 Condensation products based on rosin Bernhard Prantl, Rolf Walz 1991-12-17