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George J. P. Dujardin

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,975,218 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4668549 Optically readable information disc Gerardus J. M. Lippits, Petrus E. J. Legierse 1987-05-26