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Patents for F. Curtis
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
135,684Feb. 11, 1873H.K. AustinHandle for Filefiles
160,015Feb. 23, 1875D. Goodnow, Jr.Improvement in Devices for Cutting out Sheet-Metal Washerswasher cutters
172,052Jan. 11, 1876H.M. QuackenbushImprovement in scroll-sawing machinesscrollsaws
175,969Apr. 11, 1876D. Goodnow, Jr.Improvement in hand-drills for drilling metalhand drills
182,891Oct. 03, 1876J. ChaseImprovement in wood-pulp engineswood grinding machines
197,512Nov. 27, 1877J. ChaseImprovement in steam cooking apparatus
198,973Jan. 08, 1878G.H. FoxImprovement in breech-loading fire-armsshotguns
204,962Jun. 18, 1878G.H. FoxImprovement in adjustable ladder-trusses
259,717Jun. 20, 1882M. PriorCombination Instrument for Cleaning Gas Cockscombination tools
264,816Sep. 19, 1882A. BeaudryPower-hammerdrop hammers
281,001Jul. 10, 1883A. BeaudryPower-hammerdrop hammers
369,513Sep. 06, 1887F.H. Pope, G.H. FoxRoll for buffing shoe-solesshoe and boot making machines
373,821Nov. 29, 1887G.H. Fox, L.W. LombardHeel-stiffener machineshoe and boot making machines
598,319Feb. 01, 1898A.P. JoyWrenchaxle nut wrenches
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