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Johan D. Spek

📍 Blomberg, DE: #2 of 3 inventorsTop 70%
Overall (1989): #92,764 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4823025 Electronic circuit element with field-effect transistor operation applications of this circuit element, and substitution circuit for such an element 1989-04-18