JR

Johan C. J. A. Roozen

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Tilburg, NL: #147 of 307 inventorsTop 50%
Overall (All Time): #4,108,058 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4193107 Variable capacitor Adrianus J. Wagemakers, Jozephus J. M. Smit 1980-03-11