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All Patents of Type: eggbeater drills
Patents 1 - 15 of 38
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NumberDatePatenteeTitleType
9,271Sep. 21, 1852R. DanielsHand drilling machineeggbeater drills
66,229Jul. 02, 1867J. FanningDrilling apparatuseggbeater drills
81,769Sep. 01, 1868F. GlasserDrilleggbeater drills
134,237Dec. 24, 1872C.H. AmidonImprovement in drillseggbeater drills
155,337Sep. 22, 1874J. SargentImprovement in drills for drilling metaleggbeater drills
163,342May 18, 1875D.L. ToppanImprovement in drill for drilling metaleggbeater drills
168,741Oct. 11, 1875J. HammondImprovement in drill-stockseggbeater drills
202,477Apr. 16, 1878T.O. SelfridgeImprovement in wood-boring machineseggbeater drills
220,290Oct. 07, 1879J.M. HunterImprovement in stocks for grinding and drilling toolseggbeater drills
234,109Nov. 02, 1880J.W. BurkholderHand-drilleggbeater drills
250,186Nov. 29, 1881L.J. BakerBit-stockeggbeater drills
282,251Jul. 31, 1883A.H. AdamsBoring-braceeggbeater drills
298,457May 13, 1884I.M. FurbishHand-drilleggbeater drills
356,898Feb. 01, 1887A. ShepardHand-drillbreast drills
475,949May 31, 1892C.H. PlattDrill Stockeggbeater drills
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