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All Patents of Type: power hammers
Patents 1 - 15 of 115
First set of recordsNext set of recordsLast set of records
5,765Sep. 12, 1848F.E. SickelsMethod of Controlling Motive Powerpower hammers
35,309May 20, 1862W.D. GrimshawPower Hammerpower hammers
GB-186,400,206Jan. 25, 1864W.D. GrimshawAtmospheric Hammerpower hammers
45,896Jan. 10, 1865W.D. GrimshawAtmospheric Hammerpower hammers
52,894Feb. 27, 1866T. ShawPower Hammerpower hammers
RE2,398Nov. 27, 1866T. ShawPower Hammerpower hammers
62,407Feb. 26, 1867A.J. GraingerImproved Forging Apparatuspower hammers
68,740Sep. 10, 1867T.B. HarrisonPower Hammerpower hammers
99,958Feb. 15, 1870T. ShawImproved Apparatus for Forging Metalspower hammers
120,017Oct. 17, 1871I. AlthouseImprovement in Power Hammerspower hammers
122,647Jan. 09, 1872J. PalmerImprovements in Power Hammerspower hammers
RE5,381Apr. 29, 1873J. PalmerPower Hammerspower hammers
144,638Nov. 18, 1873G. StacyRevolving Hammerspower hammers
153,663Aug. 04, 1874W.J. Clark, A.O. Kittredge, W.H. ClarkMallets for Smothing Sheet Metalpower hammers
168,439Oct. 05, 1875S.D. WilsonSteam-Hammerspower hammers
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