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All Patents in class 209/247
Patents 1 - 3 of 3
First set of recordsLast set of records
717Apr. 28, 1838J. SecorSawmill for sawing timberreciprocating sawmills
90,936Jun. 08, 1869E.P. DickeyImprovement in fanning-mills
2,256,731Sep. 23, 1941G.C. WintherMeans for forming and segregating rock chips from aggregates
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