DK

Detlef Kupka

SA Siemens Aktiengesellschaft: 1 patents #208 of 995Top 25%
📍 Martinsried, DE: #1 of 1 inventorsTop 100%
Overall (1989): #120,839 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4833582 Frequency converter circuit including a single-ended blocking frequency converter 1989-05-23