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Patents for Francis H. Richards
Patents 16 - 30 of 83
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NumberDatePatenteeTitleType
403,988May 28, 1889C.H. CooleyAutomatic Grain Scalesgrain scales
408,192Jul. 30, 1889F.H. RichardsStop Motion Register for Grain Scalesgrain scales
415,846Nov. 26, 1889F.H. RichardsScrew Tapping Machinenut or bolt making machines
419,884Jan. 21, 1890F.H. RichardsMilling-machine visemetalworking machine vises
421,517Feb. 18, 1890F.H. RichardsDrilling Machinedrill presses
421,556Feb. 18, 1890C.H. CooleyAutomatic regulator for grain-scales
D19,745Apr. 01, 1890F.H. RichardsDesign for a machine frame
434,702Aug. 19, 1890F.H. Richards, C.H. CooleyGrain-weigher
434,723Aug. 19, 1890F.H. RichardsRegulator for Grain Weighersgrain scales
440,740Nov. 18, 1890F.H. Richards, C.H. CooleyScale-beam for grain-weighers
441,199Nov. 25, 1890S.D. ShambargerWrenchquick adjust wrenches
442,153Dec. 09, 1890J.A. TrautBuckle
442,640Dec. 16, 1890F.H. RichardsRegulator for grain-scales
442,711Dec. 16, 1890F.H. RichardsRegulator for grain-scales
442,712Dec. 16, 1890F.H. RichardsGrain-weigher
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