PH

Pieter Gerard van't Hof

SA Sonova Ag: 1 patents #46 of 111Top 45%
📍 Delft, NL: #27 of 123 inventorsTop 25%
Overall (2022): #299,040 of 548,613Top 55%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11273076 Acoustic valve and ear plug for hearing protection Engbert Wilmink 2022-03-15