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All Patents in class 91/152
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  123,857Feb. 20, 1872H. BertieauxImprovement in Compound Reciprocating Engines
  144,817Nov. 18, 1873W. WrightCompound Engines
220,160Sep. 30, 1879W.J. LiddellImprovement in Compound Engines
477,279Jun. 21, 1892G.S. StrongCompound engine
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