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All Patents in class 72/475
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,553Apr. 15, 1840W. FieldManner of Manufacturing Screw-Augersmaking drills and augers
77,170Apr. 28, 1868J.H. ColeImproved Dies for Making Thimbles and Ferrulestool handles
294,698Mar. 04, 1884N.C. StilesDie for forming pulley-centerspulley making machines
343,155Jun. 01, 1886S. Fawcett, H.F. SmithDie For Making Blanks For Pipe Tongspipe tongs
407,516Jul. 23, 1889M.T. DurkinMetal Forming Machinesheet metal bending machines
408,497Aug. 06, 1889J.A. MarsellDie for the Manufacture of Augersmaking drills and augers
422,546Mar. 04, 1890J. SwanDie for Making Bitsmaking drills and augers
438,970Oct. 21, 1890J.W. YatesMachine for making sheet-metal moldingsmetal bending machines
464,352Dec. 01, 1891H.F. Smith, S. FawcettDie For Making Pipe Wrencheschain and strap wrenches
623,602Apr. 25, 1899H.A. HannumDie for Making Pinking Cuttersleather shearing machines
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