HR

Hans-Martin Ringelstein

DA Degussa Ag: 1 patents #20 of 135Top 15%
Overall (1997): #144,652 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5695714 Gold-palladium alloys for dental materials Bernd Kempf, Doris Hathaway, Gernot Schoeck, Bernd Meier 1997-12-09