AK

Abraham A. de Keijzer

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
Overall (All Time): #2,358,751 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4473772 Color display tube having improved color selection strucure — 1984-09-25
4458174 Color display tube — 1984-07-03