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All Patents in class 29/37R
Patents 1 - 8 of 8
First set of recordsLast set of records
222,178Dec. 02, 1879T.F. CarverImprovement in machines for making metal screwsscrew machines
665,330Jan. 01, 1901A.J. LangelierMachine for making blanks for sewing-machine needles or similar articlesspecialty machines
816,393Mar. 27, 1906C.M. SpencerThreading Mechanism for Automatic Screw Machinesscrew machines
876,814Jan. 14, 1908H.B. LesterAutomatic Screw Machinescrew machines
1,173,574Feb. 29, 1916G.D. HaydenAutomatic screw-machinescrew machines
1,222,954Apr. 17, 1917J.J. Hogan, J.F. JuddThreading mechanism for automatic lathesmetal lathes
2,130,341Sep. 20, 1938C.G. GarrardMetal Cutting and Like Machine Toolsscrew machines
2,326,541Aug. 10, 1943R.L. KuehnMachine Toolmetalworking machines
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