AF

Alfred Frei

EA Emil Schenker Ag: 2 patents #2 of 7Top 30%
📍 Schönenwerd, CH: #3 of 8 inventorsTop 40%
Overall (All Time): #2,357,710 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4444241 Blind or shutter for windows or the like Bruno Amsler 1984-04-24
4444242 Modular shutter for windows or the like Bruno Amsler, Daniel Voney, Josef Koch 1984-04-24