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Eberhard Derichs — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #4,009,947 of 4,157,543Top 100%
1 Patents All Time

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Patent #TitleCo-InventorsDate
4498527 Heat-exchanging roller Wilhelm Gerarts, Gerd Thielen 1985-02-12

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Ray F. Chesley1
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Georges F. Jobin1
Donald L. Ash1
Robert W. Rardin1