KS

Karl Sperr

SA Swiss Aluminium: 1 patents #130 of 286Top 50%
📍 Chur, CH: #158 of 314 inventorsTop 55%
Overall (All Time): #4,002,564 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4614062 Metal frame assembly for windows or doors — 1986-09-30