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All Patents in class 72/475
Patents 1 - 6 of 6
First set of recordsLast set of records
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
343,155Jun. 01, 1886S. Fawcett, H.F. SmithDie For Making Blanks For Pipe Tongspipe tongs
422,546Mar. 04, 1890J. SwanDie for Making Bitsmaking drills and augers
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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