WZ

Walter Zweifel

SA Swiss Aluminium: 1 patents #130 of 286Top 50%
📍 Schaffhausen, CH: #170 of 294 inventorsTop 60%
Overall (All Time): #4,124,488 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4235682 Sealing solution and process to prevent deposits forming during the sealing of anodized aluminum surfaces Fritz Schneeberger, Hermann Weber 1980-11-25