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All Patents in class 470/80
Patents 1 - 15 of 20
First set of recordsNext set of recordsLast set of records
2,754Aug. 18, 1842C. WhippleMachine for Making Wood Screwsscrew machines
4,548May 30, 1846T.W. HarveyMaking Wood Screwsscrew machines
4,864Nov. 24, 1846T.J. SloanMaking Wood Screwsscrew machines
42,766May 17, 1864H.A. HarveyImprovement in Machines for Threading Wood-Screws
142,416Sep. 02, 1873J.J. SheridanImprovement in Boring and Drilling Machinedrilling and boring
RE7,573Mar. 27, 1877H.A. HarveyMachine for Threading Wood Screws
490,503Jan. 24, 1893G.S. RomingerWorm Gear Cutting Machinegear making machines
602,449Apr. 19, 1898H. HillBoring Tool
602,689Apr. 19, 1898A. Poincenot, J. ReymondScrew Cutting Machine
631,576Aug. 22, 1899A. LathamScrew Cutting Machine
782,220Feb. 14, 1905S.E. Laws, Administratrix, A.D. Laws, deceased (Estate of), J. CoulterAutomatic Screw Cutting and Turning Lathescrewcutting lathes
807,166Dec. 12, 1905C.W. GrantTool-holder and toollathe tool holders
1,076,188Oct. 21, 1913B. BordenThread-cutting tooltaps and dies
1,582,669Apr. 27, 1926H.E. DurkeeScrew Thread Cutting Means for Bench Lathesscrewcutting lathes
1,749,598Mar. 04, 1930E.F. McNuttLead Screw Controlling Device for Lathesmetal lathes
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