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All Patents in class 72/438
Patents 1 - 15 of 35
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NumberDatePatenteeTitleType
5,818Oct. 03, 1848C.D. GoorichMachine for Planishing and Hammering Metalblacksmith
7,965Mar. 11, 1851L. Briggs, Jr.Method of Adjusting the Stroke of Trip-Hammerstrip and helve hammers
9,942Aug. 16, 1853W. Van AndenTrip Hammertrip and helve hammers
10,274Nov. 29, 1853J.W. PeerVertical Trip Hammertrip and helve hammers
10,923May 16, 1854B. HughesTrip-Hammertrip and helve hammers
13,608Sep. 25, 1855P.L. WeimerTrip-Hammertrip and helve hammers
17,411May 26, 1857M. PeckDrop-Pressdrop hammers
22,092Nov. 16, 1858B. ShiverickForge-Hammerdrop hammers
27,804Apr. 10, 1860D. HowellTrip-Hammertrip and helve hammers
40,390Oct. 27, 1863J. BriggsTrip Hammertrip and helve hammers
46,229Feb. 07, 1865F. Krautwadel, H.E. FesselTrip Hammertrip and helve hammers
54,560May 08, 1866E.L. KinsleySteam Hammersteam hammers
57,045Aug. 07, 1866R. LyonMaking Rivetsriveting machines
68,295Aug. 27, 1867J. TandlerTrip Hammertrip and helve hammers
74,868Feb. 25, 1868C. VogelTrip Hammertrip and helve hammers
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