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All Patents of Type: power hammers
Patents 1 - 15 of 41
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
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
237,872Feb. 15, 1881W.R. Jenkins, Jr.Power Hammerpower hammers
GB-188,702,373Feb. 18, 1886J. WildImprovements in power hammerspower hammers
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