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All Patents in class 408/71
Patents 1 - 15 of 32
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NumberDatePatenteeTitleType
79Nov. 14, 1836H. CrumWood-screw-threading machine, &c.wood threading machines
516Dec. 15, 1837C.O. ReadMachine for Making Wood Screwsscrew machines
4,548May 30, 1846T.W. HarveyMaking Wood Screwsscrew machines
RE88Oct. 07, 1846C.O. ReadMaking Wood Screwsscrew machines
166,963Aug. 24, 1875M. BrayImprovement in machines for drilling rivetsrivet making machines
188,773Mar. 27, 1877M. BrayImprovement in machines for drilling the shanks of rivetsrivet making machines
407,537Jul. 23, 1889G. LandmannMachine for Making Screwsscrew machines
574,162Dec. 29, 1896G.G. PrenticeMultiple Screw Machinescrew machines
828,176Aug. 07, 1906C.L. BaileyMachine for boring bobbinsdrilling and boring
1,112,539Oct. 06, 1914A.B. LandisBolt-threading machinemetal threading machines
1,173,574Feb. 29, 1916G.D. HaydenAutomatic screw-machinescrew machines
1,560,487Nov. 03, 1925A.A. ShaferAutomatic Screw Threading Machine metal threading machines
1,679,529Aug. 07, 1928A.M. JohnsonAutomatic machine tooltapping machines
1,679,530Aug. 07, 1928A.M. JohnsonAutomatic drilling or tapping machinedrill presses
1,838,945Dec. 29, 1931A.M. JohnsonAutomatic machine toolnut or bolt making machines
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