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All Patents in class 81/20
Patents 1 - 15 of 73
First set of recordsNext set of recordsLast set of records
8,260XJun. 14, 1834J. SharpForge Arm Hammerblacksmith
21,823Oct. 19, 1858R. DawesHammer-Headhammers
36,829Nov. 04, 1862G.W. Schramm, R. BoeklenImprovement in Hammershammers
46,574Feb. 28, 1865J.O. MontignaniCarpenter's Adze Hammerframing hammers
64,247Apr. 30, 1867J.B. OkyCombined Stove Cover Lifter, Hammer &c.combination tools
64,662May 14, 1867W.D. GoldCombined Hammer, Screw-Driver and Wrenchcombination tools
66,298Jul. 02, 1867H. CheneyImprovement in the Construction of Hammershammers
66,781Jul. 16, 1867R. BlackImproved Hammer Headhammers
83,463Oct. 27, 1868T.S. CoffinImproved Hammerframing hammers
RE3,308Feb. 23, 1869T.A. ConklinImprovement in Tack Hammerstack hammers
96,061Oct. 19, 1869J.W. WarnerImprovement in Lasting-Hammerhammers
102,677May 03, 1870G.W. GregoryImprovement in Combination-Toolcombination tools
103,660May 31, 1870O. RockImproved Shoemaker's Hammerhammers
115,008May 16, 1871G.M. YoungImprovement in Hammers
128,463Jul. 02, 1872A. Clarke, A. ClarkeImprovement in Shoe-Makers' Hammerscobbler
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