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All Patents of Type: making drills and augers
Patents 1 - 15 of 76
First set of recordsNext set of recordsLast set of records
GB-181,103,448May 16, 1811W. GilpinImproved method of manufacturing augersmaking drills and augers
GB-182,405,003Nov. 04, 1824W. ChurchCertain improvements on augers and bits for boring, and in the apparatus for making the samemaking drills and augers
8,491XNov. 11, 1834R. FrenchMaking augerstool making machines
9,868XJul. 02, 1836D. FowlerForging gimletsmaking drills and augers
1,553Apr. 15, 1840W. FieldManner of Manufacturing Screw-Augersmaking drills and augers
3,181Jul. 20, 1843R. FrenchSingle Lip Auger Bit & Means of Makingmaking drills and augers
12,583Mar. 27, 1855R. CookMachine for Turning the Lips of Augersmaking drills and augers
13,780Nov. 13, 1855R. CookDies for Making Cook's Bitsmaking drills and augers
14,561Apr. 01, 1856G.G. GriswoldMethod of Manufacturing Augersmaking drills and augers
41,822Mar. 01, 1864I. Tower, estate of (deceased)Machine to make Augersmaking drills and augers
48,633Jul. 04, 1865E.H. TracyImprovement in Dies for Making Augersmaking drills and augers
RE2,712Aug. 06, 1867R.H. Boyd, W.W. GrierImproved Machine for Making Augersmaking drills and augers
68,012Aug. 20, 1867J. SwanManufacture of Single Twist Augersmaking drills and augers
75,182Mar. 03, 1868J. MixImprovement in Manufacturing Gimletsmaking drills and augers
76,301Apr. 07, 1868E. Carrington, E.O. CarringtonImprovement in Machine for Grinding and Cutting Down Augersmaking drills and augers
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