PS

Petrus C. W. Sommen

U.S. Philips: 1 patents #205 of 1,030Top 20%
Overall (1989): #69,247 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4807173 Frequency-domain block-adaptive digital filter Theodoor A. C. M. Claasen, Petrus J. Van Gerwen, Hendrik J. Kotmans 1989-02-21