AH

Aalt-Jouk van den Hul

📍 Delft, NL: #3 of 15 inventorsTop 20%
Overall (1982): #77,913 of 81,411Top 100%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

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