GD

Gerhard Donig

MA Metallgesellschaft Ag: 1 patents #14 of 63Top 25%
SA Siemens Aktiengesellschaft: 1 patents #208 of 995Top 25%
Overall (1989): #112,370 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4873620 Voltage supply with recovery protection for a thyristor Franz Neulinger, Helmut Schummer, Walter Schmidt 1989-10-10