MD

Michael J. C. Van de Donk

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #4,053,409 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4389719 Optically readable information disk Hendricus C. A. M. Heinemans, Petrus E. J. Legierse 1983-06-21