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All Patents in class 72/450
Patents 1 - 15 of 20
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NumberDatePatenteeTitleType
13,434Aug. 14, 1855D. NoyesOliver
217,725Jul. 22, 1879E.W. BlissImprovement in machinery for shaping sheet metalstamping presses
237,872Feb. 15, 1881W.R. Jenkins, Jr.Power Hammerpower hammers
244,370Jul. 19, 1881A. BeaudryPower-hammerdrop hammers
RE10,324May 08, 1883N.C. StilesDrop-hammerdrop hammers
295,851Mar. 25, 1884H.A. AinsworthMetal-bending machinemetal bending machines
364,142May 31, 1887N.C. StilesPower-pressstamping presses
379,340Mar. 13, 1888H. St. LawrencePower-hammerdrop hammers
461,917Oct. 27, 1891A. BeaudryPower-hammerdrop hammers
466,790Jan. 12, 1892W.R. JenkinsPower Hammerpower hammers
477,159Jun. 14, 1892R.B. Laird, J.B. SweeneyPower Hammerforging machines
650,103May 22, 1900G.L. WalterPower Hammerdrop hammers
660,719Oct. 30, 1900E.G. BuddDie for forming sheet metalindustrial machine pulleys and belt drive mechanisms
665,249Jan. 01, 1901L. MayerTrip-hammer ram connectiondrop hammers
693,324Feb. 11, 1902A.W. JohnsonPower Hammerpower hammers
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