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All Patents in class 81/34
Patents 1 - 15 of 63
First set of recordsNext set of recordsLast set of records
730May 08, 1838G. PageHand drillbreast drills
30,487Oct. 23, 1860W. LyonVariable speed bit-stockbrace chucks
66,229Jul. 02, 1867J. FanningDrilling apparatuseggbeater drills
80,812Aug. 11, 1868C.M. DabollDrill-stock, geared
81,769Sep. 01, 1868F. GlasserDrilleggbeater drills
105,906Aug. 02, 1870C.H. ClarkBit-stockbrace chucks
137,910Apr. 15, 1873P.L. GibbsImprovement in Railroad Track Wrenchessocket wrenches
155,337Sep. 22, 1874J. SargentImprovement in drills for drilling metaleggbeater drills
163,342May 18, 1875D.L. ToppanImprovement in drill for drilling metaleggbeater drills
164,604Jun. 15, 1875H. SmithImprovement in drills for drilling metalhand drills
168,741Oct. 11, 1875J. HammondImprovement in drill-stockseggbeater drills
173,145Feb. 08, 1876H.R. WayImprovement in Ratchet-Drillsratchet braces
183,235Oct. 10, 1876M. Vassar, IIImprovement in Ratchet-Wrenchesratchet wrenches
220,290Oct. 07, 1879J.M. HunterImprovement in stocks for grinding and drilling toolseggbeater drills
295,193Mar. 18, 1884O. PeckBreast-drillbreast drills
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