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All Patents of Type: power hammers
Patents 1 - 15 of 15
First set of recordsLast set of records
GB-184,711,767Dec. 24, 1847R. WilsonSteam Hammerpower hammers
5,774Sep. 09, 1848L. KirkSteam 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
80,550Aug. 04, 1868D. JoySteam Hammerpower hammers
168,439Oct. 05, 1875S.D. WilsonSteam-Hammerspower hammers
391,133Oct. 16, 1888W. FoglesongHorse Collar Hammerpower hammers
541,785Jun. 25, 1895J.F. DoolittleSteam Hammerpower hammers
630,041Aug. 01, 1899W. FoglesongPower Hammerpower hammers
693,324Feb. 11, 1902A.W. JohnsonPower Hammerpower hammers
739,992Sep. 29, 1903G.T. Strite, F.F. DavidsonYieldable Pitman for Power Hammerspower hammers
955,623Apr. 19, 1910W.H. WelchPower Hammerpower hammers
973,620Oct. 25, 1910F.E. Sutherland, J.A. BrownPower Hammerpower hammers
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