JF

Jan J. B. Fransen

U.S. Philips: 3 patents #1,741 of 8,851Top 20%
Overall (All Time): #1,683,695 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4407657 Gettering device and method 1983-10-04
4406972 Gettering device for color television display tube 1983-09-27
4306543 Solar collector Robrecht M. L. Doevenspeck 1981-12-22