HF

Heinz Friedrich

Overall (1989): #106,993 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4886627 Conductive structures in polymers Harald Gruber, Andreas Richter, Egon Fanghanel, Hans-Klaus Roth, Siegfried Maras 1989-12-12