AM

Alfred Mittelkotter

RA Ruhrkohle Ag: 1 patents #23 of 88Top 30%
📍 Witten, DE: #159 of 328 inventorsTop 50%
Overall (All Time): #4,074,184 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4344357 Apparatus for extending ventilating conduits — 1982-08-17