WJ

Wilhelmus Johannes

📍 Delft, NL: #552 of 1,192 inventorsTop 50%
Overall (All Time): #3,987,491 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4713971 Device for determining the velocity in a flowing fluid by use of the acoustic Doppler-effect 1987-12-22