PS

Petrus J. M. Sijbers

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,910,417 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4953207 Electronic telephone set Frederik Van Dongen, Philippe Jouen 1990-08-28