AH

Aalt-Jouk van den Hul

📍 Delft, NL: #342 of 1,192 inventorsTop 30%
Overall (All Time): #2,364,406 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4416005 Stylus for tracking a stereophonic or quadraphonic sound groove — 1983-11-15
4365325 Stylus for tracking a stereophonic or quadraphonic sound groove — 1982-12-21