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All Patents in class 72/434
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
30,343Oct. 09, 1860E. PayePower Hammertrip and helve hammers
54,837May 22, 1866J. AdtRiveting Machineriveting machines
88,980Apr. 13, 1869T.T. ProsserImproved power-hammerdrop hammers
244,370Jul. 19, 1881A. BeaudryPower-hammerdrop hammers
391,133Oct. 16, 1888W. FoglesongHorse Collar Hammerpower hammers
630,041Aug. 01, 1899W. FoglesongPower Hammerpower hammers
657,114Sep. 04, 1900L.D. HowardPower-hammerblacksmith
709,577Sep. 23, 1902L.D. HowardDrop-hammerblacksmith
774,791Nov. 15, 1904J.D. SeibertPower Hammerpower hammers
816,291Mar. 27, 1906C.W. BlackstonePower Hammerpower hammers
955,623Apr. 19, 1910W.H. WelchPower Hammerpower hammers
1,103,918Jul. 14, 1914J.F. OvercashHammertrip and helve hammers
2,163,715Jun. 27, 1939F.P. StullMethod of and Tool for Shaping and Ironing Sheet Metalsheet metal
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