WS

Werner Spiegel

TA Thyssen Industrie Ag: 1 patents #39 of 145Top 30%
Overall (All Time): #4,053,200 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4388966 Buried heat exchanger — 1983-06-21