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All Patents in class 408/202
Patents 16 - 30 of 55
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NumberDatePatenteeTitleType
260,997Jul. 11, 1882S. KuhlmanAuger Depth Stopdrill depth stops
294,985Mar. 11, 1884J. Fuller, Sr.Gage Attachment for Boring-Bits, &c.drill depth stops
310,527Jan. 06, 1885H.E. KoepkaWasher-Cutterwasher cutters
326,342Sep. 15, 1885J.C. SmithAdjustable Concentric Channeleradjustable drill bits
327,641Oct. 06, 1885G.W. Abbott, G.S. ForrestCountersinkcountersinks
333,418Dec. 29, 1885E.F. LindseyCounterboring Attachment for Bitscountersinks
385,543Jul. 03, 1888A. BurrittTap with Detachable Cutterstaps and dies
390,936Oct. 09, 1888J.E. WindleBit-gagedrill depth stops
412,952Oct. 15, 1889C. ElterichTap and holder therefortaps and dies
413,178Oct. 22, 1889E.E. DoeCombined Scratch and Bit Gagemarking gauges
417,486Dec. 17, 1889J.N. IsabelBit attachment
455,199Jun. 30, 1891J.A. GoebDrill Depth Stopdrill depth stops
521,997Jun. 26, 1894C. Whitus, J.W. Wilks, N. WhitusBrace and bit gage
525,810Sep. 11, 1894A.H. FlemingWatchmaker's Toolwatchmakers lathes
532,472Jan. 15, 1895S.B. MinnichCountersink-toolcountersinks
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