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All Patents in class 408/202
Patents 1 - 15 of 47
First set of recordsNext set of recordsLast set of records
51,451Dec. 12, 1865L. GrayImprovement in Bung-Hole Reamerstapered reamers
55,132May 29, 1866S.L. LyfordImprovement in Gages for Augersdrill depth stops
62,754Mar. 12, 1867T.C. KeithAuger Chip Clearing Accessorydrill accessories
73,162Jan. 07, 1868A. BrushFelloe Auger & Spoke Tenonerwheelwright
74,466Feb. 11, 1868W.E. WhitingImprovement in Gauges for Augersdrill depth stops
116,901Jul. 11, 1871A. WheelerImprovement in Gauges for Countersinksdrill depth stops
125,642Apr. 09, 1872C. WhitusImprovement in bit-bracesbraces
151,571Jun. 02, 1874S.G. DareImprovement in Auger 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
191,133May 22, 1877R. GardinerImprovement in gages for bitsgauges
201,908Apr. 02, 1878A.E. BrockettBung Borertapered reamers
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
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