WR

Willem G. J. Ritzerfeld

OB Oce-Nederland B.V.: 1 patents #96 of 308Top 35%
U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Venlo, NL: #190 of 548 inventorsTop 35%
Overall (All Time): #2,306,647 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5083295 Integrated memory circuit with interconnected sense amplifiers Judocus A. M. Lammerts, Michael Tooher 1992-01-21
4585352 System for measuring the optical density of both the background and the image areas of an original Bastiaan B. B. Eertink 1986-04-29