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All Patents in class 72
Patents 1 - 15 of 856
First set of recordsNext set of recordsLast set of records
736XFeb. 25, 1807J. Fox, Jr.Oliverblacksmith
801XNov. 04, 1807J. Beaumont, R. WheatleyMode of Making Stove Pipesstove pipes
3,156XDec. 24, 1819T. RowandMode of hollowing out iron bar, tire for wagons, etc.
6,441XApr. 01, 1831H. KnowlesImproved mode of manufacturing wood-screws
7,756XSep. 14, 1833W. FieldUpright-spring sledge hammerhammers
8,196XMay 13, 1834O. SnowAuger twisting machinetool making machines
RE2Apr. 16, 1838W. KeaneImprovement in Machines for Cutting Wood and Other Screws
RX-2Apr. 16, 1838W. Keane, deceased (estate of), T. Sellick, administratorImprovement in Machines for cutting Wood and Other Screwswood threading machines
851Jul. 24, 1838E. L'Hommedieu, R.N. WatrousMachinery for manufacturing double-twist screw-augerstool making machines
1,553Apr. 15, 1840W. FieldManner of Manufacturing Screw-Augersmaking drills and augers
3,882Jan. 10, 1845G.E. SellersDrop Hammertrip and helve hammers
4,924Jan. 13, 1847A. HeatonSpinning Sheet Metalsheet metal
5,389Dec. 11, 1847A.W. WhitneySheet-Metal Roller Toolsheet metal
5,765Sep. 12, 1848F.E. SickelsMethod of Controlling Motive Powerpower hammers
5,818Oct. 03, 1848C.D. GoorichMachine for Planishing and Hammering Metalblacksmith
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