JL

Johannes Luthi

SL Sulzer Brothers Limited: 1 patents #172 of 443Top 40%
Overall (All Time): #4,095,330 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4285209 Absorption heat pump installation George Ziegler 1981-08-25