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All Patents in class 74/471R
Patents 1 - 9 of 9
First set of recordsLast set of records
4Aug. 10, 1836T. BlanchardStock shaving or rounding machine for edges, ends, &c., of ships' tackleblockspulley making machines
17,531Jun. 09, 1857E.J. WorcesterImproved Adjustable Fork-Jaw Wrenchscrew adjust wrenches
195,650Sep. 25, 1877J.A. RobbImprovement in saw-mill set-workssawmills
413,721Oct. 29, 1889W.E. HillLog-loadersawmill accessories
719,102Jan. 27, 1903G.H. FollowsVariable Speed Mechanismmetalworking speed changing mechanisms
1,527,247Feb. 24, 1925C. BouillonElectric Motor Driven Change Speed Device
1,900,384Mar. 07, 1933M. KahrPower Plant for Drilling Apparatusoilfield machinery
2,887,906May 26, 1959C.M. GrinageHorizontal Boring Millhorizontal boring mills
2,912,879Nov. 17, 1959R.F. BannowVariable Leverage Joy Stick for Feeding Workmachine tool controls
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