OR

Oskar Ruther

📍 Rorschach, CH: #30 of 51 inventorsTop 60%
Overall (All Time): #3,553,510 of 4,157,543Top 90%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6430827 Spirit level — 2002-08-13