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All Patents in class 92/169.1
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
113,144Mar. 28, 1871N.T. CoffinImprovement in pumps
132,267Oct. 15, 1872J.R. EichenbergerImprovement in Reciprocating Steam Enginessteam engine pistons
328,970Oct. 27, 1885J.F. PlaceGas Enginegas and gasoline engines
1,278,157Sep. 10, 1918C. JohnsonOperating Means for Saw Carriagessawmill carriages
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