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All Patents in class 74/136
Patents 1 - 6 of 6
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
72,632Dec. 24, 1867D.F. HartfordImprovement in Stringing Bow-Drill Stocks
  150,840May 12, 1874R. Swarbrick, E. DuffyTreadles
321,932Jul. 07, 1885W.S. KelleyBicycle
  324,509Aug. 18, 1885E. WinansPower Transmitting Machinery
  434,447Aug. 19, 1890W.R. HunterMechanical Motor
  642,637Feb. 06, 1900W.W. SmallDevice for Converting Reciprocating Movement into Rotary Motion
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