HF

Helmut Formanek

SA Siemens Aktiengesellschaft: 1 patents #208 of 995Top 25%
Overall (1989): #107,010 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4837125 Electron-beam-sensitive resist material for microstructures in electronics Erwin Knapek 1989-06-06