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All Patents in class 92/169.1
Patents 1 - 7 of 7
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
152,540Jun. 30, 1874E.S. WinchesterRock Drill Enginesstone boring and drilling machines
328,970Oct. 27, 1885J.F. PlaceGas Enginegas and gasoline engines
434,657Aug. 19, 1890A. CunninghamDirect-Acting Steam-Feed Works for Saw-Millssawmill feed works
602,802Apr. 19, 1898A. GieslerAmmoniacal Gas Compressorcompressors
1,278,157Sep. 10, 1918C. JohnsonOperating Means for Saw Carriagessawmill carriages
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