DH

Detlev Hennings

U.S. Philips: 1 patents #205 of 1,030Top 20%
📍 Aachen, DE: #21 of 94 inventorsTop 25%
Overall (1989): #120,920 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4860269 Electrochemical time switching device Hans Peter Stormberg, Manfred Peterek 1989-08-22