WB

Wilhelmus A. J. Berkers

📍 Deurne, NL: #38 of 80 inventorsTop 50%
Overall (All Time): #4,051,684 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4383461 Chord performing apparatus for an electronic organ — 1983-05-17