HK

Heinrich Kallhardt

SA Siemens Aktiengesellschaft: 1 patents #208 of 995Top 25%
Overall (1989): #138,887 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4868876 Electrostatic discharge protection device Kurt Schiller, Johann Luger, Hans Schierl 1989-09-19