HD

Heinz Durr

IA Ivoclar Ag: 1 patents #5 of 11Top 50%
📍 Sankt Ingbert, DE: #2 of 5 inventorsTop 40%
Overall (1997): #143,852 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5698020 Photochromic dental material Ulrich Salz, Peter Burtscher, Volker Rheinberger 1997-12-16