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Patents for Keystone Mfg. Co.
Patents 1 - 15 of 17
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NumberDatePatenteeTitleType
288,098Nov. 06, 1883C.H. MyersWrenchratchet wrenches
358,173Feb. 22, 1887C.J. SturgeonCircular sawing machinespecialty woodworking machines
446,072Feb. 10, 1891C.H. MyersCombined Ratchet Wrench & Screwdriverwrench combination tools
446,073Feb. 10, 1891C.H. MyersRatchet Wrench & Drillwrench combination tools
446,074Feb. 10, 1891C.H. MyersAttachment for Metal Planersmetal planer accessories
446,075Feb. 10, 1891C.H. MyersCombined Ratchet Wrench & Boring Bitwrench combination tools
539,423May 21, 1895J. EmigRatchet Drillhand drills
541,875Jul. 02, 1895G.W. PackerCorn Harvester
584,889Jun. 22, 1897G.W. PackerCorn Huskercorn huskers
637,534Nov. 21, 1899R.S. SwartoutCombined Corn Husker and Fodder Shreddercorn huskers
869,255Oct. 29, 1907C.H. MyersWrenchratchet wrenches
1,021,558Mar. 26, 1912C.J. SchollerHand Ratchet for Drills, &c.drill accessories
1,534,537Apr. 21, 1925E.S. MillerHolder for Socket Wrench Setswrench set holders
1,696,444Dec. 25, 1928F.A. Haist, E.S. MillerHolder for Socket Wrench setswrench set holders
1,761,263Jun. 03, 1930F.A. HaistMethod of Making Ratchet Wrenchesratchet wrenches
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