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Patents for Francis H. Richards
Patents 1 - 15 of 83
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NumberDatePatenteeTitleType
150,356Apr. 28, 1874F.H. RichardsTraction-Enginessteam traction engines
285,931Oct. 02, 1883F.H. RichardsLathe for irregular formspattern lathes
303,321Aug. 12, 1884F.H. RichardsFriction Clutchindustrial machine clutches
305,234Sep. 16, 1884F.H. RichardsGear Cutting Machinegear making machines
307,227Oct. 28, 1884F.H. RichardsMetal Turning Toollathe tools
320,968Jun. 30, 1885F.H. RichardsMachine for Making Twist Drillsmaking drills and augers
323,208Jul. 28, 1885F.H. RichardsPlaner Table Driving Mechanismmetal planers
331,443Dec. 01, 1885F.H. RichardsBlank-feeding mechanism
333,161Dec. 29, 1885F.H. RichardsDevice for Converting Motionindustrial machine mechanisms
352,004Nov. 02, 1886F.H. RichardsSawinsertable saw teeth
354,737Dec. 21, 1886F.H. RichardsLathe Headmetal lathes
366,187Jul. 05, 1887F.H. RichardsShearing mechanismpaper cutting machines
368,744Aug. 23, 1887W.N. WoodruffShaft-keyindustrial machine mechanisms
390,190Sep. 25, 1888F.H. RichardsTurret-lockturret lathes
397,389Feb. 05, 1889F.H. RichardsImplement Jointpliers
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