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Patents Granted on 1947-12-02
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
2,431,795Dec. 02, 1947J.A. ElmesGrinding apparatusbelt sanders
2,432,058Dec. 02, 1947C.A. Wiken, E.A. ReibigSurface grinder
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