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All Patents in class 33/520
Patents 1 - 15 of 25
First set of recordsNext set of recordsLast set of records
39,608Aug. 18, 1863F.B. WilliamsDevice for Centering Shaftingmetal lathe accessories
142,761Sep. 16, 1873S.H. BellowsMachinists' Gagesspecial purpose gauges
152,487Jun. 30, 1874G.F. HawleyDevice for Centering Cylinders
374,168Dec. 06, 1887C.E. BarnesDevice for Aligning Steam Enginessteam engines
432,328Jul. 15, 1890J.A. PainterCenter and Mortise-Gagecenter marking gauges
467,562Jan. 26, 1892J.F. SauermanCombination Bevel & Surface Gagebevel squares
610,021Aug. 30, 1898C.V. BogartCentering Gagecenter marking gauges
611,625Oct. 04, 1898J.E. GoddardGaging Implementpunches
657,136Sep. 04, 1900A.L. SchultzCombination Toolsurface gauges
715,445Dec. 09, 1902I.A. WhiteCentering Gagespecial purpose gauges
729,663Jun. 02, 1903F.L. RessCombination Square and Bevelbevel squares
769,196Sep. 06, 1904F. SpaldingCombination Tooltry squares
794,170Jul. 11, 1905J.W. FesslerCenter Gaugecenter marking gauges
1,166,968Jan. 04, 1916J.E. CarterCenter Gagecenter marking gauges
1,299,256Apr. 01, 1919W.C. StengerMicrometermicrometers
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