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All Patents in class 72/433
Patents 1 - 15 of 52
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NumberDatePatenteeTitleType
RE2,398Nov. 27, 1866T. ShawPower Hammerpower hammers
62,407Feb. 26, 1867A.J. GraingerImproved Forging Apparatuspower hammers
90,693Jun. 01, 1869T. ShawRiveting Machineriveting machines
RE5,381Apr. 29, 1873J. PalmerPower Hammerspower hammers
147,184Feb. 03, 1874R.A. SmithMachines for Forming Sheet-Metal Capsdrop hammers
153,663Aug. 04, 1874W.J. Clark, A.O. Kittredge, W.H. ClarkMallets for Smothing Sheet Metalpower hammers
177,883May 23, 1876G.H. PondElastic Hanging for Revolving Hammerspower hammers
RE7,475Jan. 23, 1877T. ShawPower Hammerpower hammers
206,665Aug. 06, 1878C.W. CorrPower Hammerdrop hammers
240,881May 03, 1881C.M. BrownPower-hammertrip and helve hammers
244,927Jul. 26, 1881J. PattersonPower Hammerpower hammers
265,655Oct. 10, 1882W.T. BrowneRotary Hammerrotary hammers
302,520Jul. 22, 1884I.L. PenneyTrip Hammerdrop hammers
335,394Feb. 02, 1886H. St. LawrencePower Hammerpower hammers
403,453May 14, 1889R.A. BeldenPower Hammer
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