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All Patents of Type: drill depth stops
Patents 1 - 15 of 26
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NumberDatePatenteeTitleType
55,132May 29, 1866S.L. LyfordImprovement in Gages for Augersdrill depth stops
62,849Mar. 12, 1867T. HofstatterImprovement in Augerscountersinks
74,466Feb. 11, 1868W.E. WhitingImprovement in Gauges for Augersdrill depth stops
80,915Aug. 11, 1868L. ColtAugerdrill depth stops
116,901Jul. 11, 1871A. WheelerImprovement in Gauges for Countersinksdrill depth stops
157,562Dec. 08, 1874J.C. Goodrich, J.E. WindleImprovement in Bit-Gagesdrill depth stops
169,075Oct. 26, 1875A.B. BatsonImprovement in Bit-Gagesdrill depth stops
232,851Oct. 05, 1880W.F. RutterBoring-Bit Gagedrill depth stops
242,656Jun. 07, 1881W.H. KingBit-gagedrill depth stops
242,918Jun. 14, 1881S.H. GarrettBoring Gage for Bitsdrill depth stops
260,997Jul. 11, 1882S. KuhlmanAuger Depth Stopdrill depth stops
294,985Mar. 11, 1884J. Fuller, Sr.Gage Attachment for Boring-Bits, &c.drill depth stops
390,936Oct. 09, 1888J.E. WindleBit-gagedrill depth stops
413,178Oct. 22, 1889E.E. DoeCombined Scratch and Bit Gagemarking gauges
455,199Jun. 30, 1891J.A. GoebDrill Depth Stopdrill depth stops
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