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Patents for R. Fitzgerald
Patents 1 - 15 of 19
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NumberDatePatenteeTitleType
4,906Dec. 23, 1846H. AugurImprovement in machines for carvingcarving machines
4,941Jan. 26, 1847J. SheldonPlaning-machinewood planers
6,339Apr. 17, 1849J. Sheldon, J.S. BardenPlaning-machinewood planers
9,544Jan. 18, 1853G. Cook, D. CookDriving circular saws, etc.circular saws
9,822Jun. 28, 1853R. WardMachine for turning irregular formspattern lathes
10,744Apr. 04, 1854A. PeaseDrill for metal gun-barrelsdrill bits
12,723Apr. 17, 1855D. FowlerMachine for Punching Metalstamping presses
13,120Jun. 26, 1855C.B. BristolRevolving Head Nut Wrenchnut wrenches
13,693Oct. 16, 1855J.H. DoolitleKnitting Machineknitting machines
15,848Oct. 07, 1856G. GilbertFly-trap
21,399Aug. 31, 1858J. WidmerCut-Off for Steam-Enginessteam engine valve gear
26,791Jan. 10, 1860F. SkinnerMachine for cutting shavings for mattressesexcelsior machines
36,744Oct. 21, 1862M.G. WilderImprovement in Machines for Milling and Cutting Metalsmilling machines
51,465Dec. 12, 1865J.P. LindsayImproved Wrenchnut wrenches
53,107Mar. 13, 1866L.W. BoyntonImprovement in machines for making skewersspecialty machines
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