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All Patents in class 408/71
Patents 1 - 15 of 19
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79Nov. 14, 1836H. CrumWood-screw-threading machine, &c.
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
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
1,918,150Jul. 11, 1933E.J. Kingsbury, G. SwahnbergMultiple head automatic drilling machinemultiple spindle drill presses
1,975,006Sep. 25, 1934J.E. Anderson, E.J. KingsburyIndexing and control mechanism for independent metal working unitsmetalworking machine mechanisms
2,033,686Mar. 10, 1936F.M. DavisMultiple operation machineworkpiece changers and storage mechanisms
2,779,220Jan. 29, 1957O.L. Wright, Jr., R.J. Dunn, Jr.Universal Drilling Machinemultiple spindle drill presses
3,163,291Dec. 29, 1964W.C. Gleisner, Jr.Twin Reader Tool Identifying Apparatustool changers and storage mechanisms
3,176,847Apr. 06, 1965R.K. SedgwickTool Identification Systemmilling machines
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