WD

Willy Durrenberger

📍 Pratteln, CH: #40 of 76 inventorsTop 55%
Overall (All Time): #3,979,823 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4685444 Process and equipment for heating a liquid without pollution of the environment 1987-08-11