HM

Hans-Peter Marthaler

📍 Regensdorf, CH: #28 of 73 inventorsTop 40%
Overall (All Time): #4,015,928 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4520657 Apparatus for determining the pressure of capillary water, especially in soil — 1985-06-04