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All Patents of Type: grain scales
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
403,988May 28, 1889C.H. CooleyAutomatic Grain Scalesgrain scales
434,723Aug. 19, 1890F.H. RichardsRegulator for Grain Weighersgrain scales
444,709Jan. 13, 1891T.L. Varns, J.B. MichenerGrain-metergrain scales
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