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All Patents in class 72/434
Patents 1 - 15 of 42
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NumberDatePatenteeTitleType
30,343Oct. 09, 1860E. PayePower Hammertrip and helve hammers
54,837May 22, 1866J. AdtRiveting Machineriveting machines
88,980Apr. 13, 1869T.T. ProsserImproved power-hammerdrop hammers
170,868Dec. 07, 1875C. LustedDrop-Hammerdrop hammers
244,370Jul. 19, 1881A. BeaudryPower-hammerdrop hammers
333,780Jan. 05, 1886O. PedersonRiveting Machineriveting machines
391,133Oct. 16, 1888W. FoglesongHorse Collar Hammerpower hammers
454,824Jun. 23, 1891W. JonesPower Hammerpower hammers
459,931Sep. 22, 1891J. GutberletMachine for Sharpening Drillspower hammers
493,874Mar. 21, 1893J. O'BrienPower Hammerpower hammers
500,970Jul. 04, 1893A. SperlForging Hammerdrop hammers
503,492Aug. 15, 1893O.W. OrcuttPower Hammerpower hammers
545,756Sep. 03, 1895E.C. Adt, Executrix, J. Adt, deceased (Estate of)Riveting Machineriveting machines
607,510Jul. 19, 1898J.E. HermannMetal Beater Hammerpower hammers
612,949Oct. 25, 1898W.H. LawPower Hammerpower hammers
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