HM

Heinrich Metzler

📍 Sankt Gallen, CH: #177 of 367 inventorsTop 50%
Overall (All Time): #4,118,066 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4218260 Reflective concrete body, process for the manufacture and utilization of the same 1980-08-19