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Patents Granted on 1840-08-??
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,717Aug. 12, 1840E. CarverMachine for Cutting the Teeth of Circular Sawsannular saws
1,718Aug. 12, 1840E. CarverMachine for filing or smoothing the teeth of sawssaw sharpening machines
1,719Aug. 12, 1840T. Denderdine, Jr.Machine for sawing stuff circularreciprocating saws
1,720Aug. 12, 1840J. Keane, T. Keane, S. KaneScrew-Wrenchscrew adjust wrenches
1,721Aug. 12, 1840J.P. McDowellMachine for sawing and splitting timbercircular saws
1,723Aug. 14, 1840W.L. HarleyMachine for boring and mortising in chair seats, legs, and armsdrilling and boring
XC-165Aug. 21, 1840J. AinslieAinslie's clay slate and Ainslie's clay slate machine
1,739Aug. 25, 1840T.J. WellsMachine for grinding apples and other fruitfood grinders
RX-23Aug. 26, 1840J. StimpsonImprovement in the mode of Forming and Using Cast or Wought Iron Plates or Rails for Railroad-Carriage Wheels to run upontrack and switches
1,751Aug. 28, 1840M. RichSawmill-dog for setting logssawmill carriages
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