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All Patents in class 92/169.1
Patents 1 - 5 of 5
First set of recordsLast set of records
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
602,802Apr. 19, 1898A. GieslerAmmoniacal Gas Compressorcompressors
1,278,157Sep. 10, 1918C. JohnsonOperating Means for Saw Carriagessawmill carriages
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