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All Patents in class 92/169.1
Patents 1 - 8 of 8
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
113,144Mar. 28, 1871N.T. CoffinImprovement in pumps
  132,267Oct. 15, 1872J.R. EichenbergerImprovement in Reciprocating Steam Engines
  152,540Jun. 30, 1874E.S. WinchesterRock Drill Engines
328,970Oct. 27, 1885J.F. PlaceGas Engine
414,460Nov. 05, 1889R.H. ThurstonSteam-engine
  434,657Aug. 19, 1890A. CunninghamDirect-Acting Steam-Feed Works for Saw-Mills
  602,802Apr. 19, 1898A. GieslerAmmoniacal Gas Compressor
  1,278,157Sep. 10, 1918C. JohnsonOperating Means for Saw Carriages
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