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Patents for G. W. Gregory
Patents 31 - 45 of 51
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NumberDatePatenteeTitleType
237,962Feb. 22, 1881O. CorcoranMechanism for Assorting Reedsspecial purpose gauges
255,115Mar. 21, 1882B.F. RadfordMetal Planermetal planers
255,412Mar. 28, 1882H.F. CampbellMechanism for and method of forming hoop-splintsband sawmills
255,418Mar. 28, 1882C.H. CowdreySelf-oiling pulleyindustrial machine pulleys and belt drive mechanisms
260,135Jun. 27, 1882J. SwanScrew-Driverscrewdriver handles
265,712Oct. 10, 1882J. SwanScrew-Driverscrewdriver handles
272,029Feb. 13, 1883H.F. CampbellBarrel-hoop-planing machinehoop making machines
279,204Jun. 12, 1883J. SwanAdjustable Augeradjustable drill bits
280,867Jul. 10, 1883S. SawyerImprovement in Watchmakers Latheswatchmakers lathes
291,934Jan. 15, 1884D.R. PorterWrenchpipe wrenches
297,717Apr. 29, 1884P.C. RichRulerrules
302,527Jul. 22, 1884J. SwanMachine for Milling Augersmaking drills and augers
303,239Aug. 05, 1884J. SwanMechanism for Manufacturing Augersmaking drills and augers
313,456Mar. 03, 1885J. SwanMachine for the Manufacture of Auger-Bitsmaking drills and augers
315,971Apr. 14, 1885H.D. Stone, A.C. AmblerHeeling-machinecobbler
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