WB

Wilhelmus A. J. Beelaard

U.S. Philips: 3 patents #1,741 of 8,851Top 20%
Overall (All Time): #1,674,535 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4794300 Colour picture tube including a deflection unit having picture balance correction means Albertus A. S. Sluyterman, Johannes A.P. De Volder 1988-12-27
4620174 Deflection unit for a color television display tube Johannes A.P. De Volder 1986-10-28
4409578 Color display tube comprising a deflection yoke and deflection yoke for a color display tube Nicolaas G. Vink 1983-10-11