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All Patents in class 209/394
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
73,485Jan. 21, 1868S. AdamsImprovement in winnowing-millswinnowing machines
694,496Mar. 04, 1902W.N. RumelyAdjustable Screenseparators
747,231Dec. 15, 1903W.N. RumelySieve and Riddle for Separatorsthreshers
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