WF

Walter Fretz

MA Maschinenfabrik Rieter Ag: 1 patents #149 of 318Top 50%
📍 Freienstein, CH: #6 of 6 inventorsTop 100%
Overall (All Time): #3,982,351 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4695000 Device for winding-up a thread Walter Hefti 1987-09-22