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Patents for Alex F. Roberts
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
59,844Nov. 20, 1866J. King, Jr.Improvement in spring fish-hooks
61,902Feb. 05, 1867A.V. WesterveltImprovement in Caliperscalipers
67,937Aug. 20, 1867W.C. AbbeImprovement in Pipe-Wrenchespipe wrenches
77,082Apr. 21, 1868J. Noepel, B. AssmannImprovement in saw Setssaw sets
78,341May 26, 1868A.J. Van OrnumLathe toolwood lathe accessories
83,347Oct. 20, 1868P.A. Whitney, A.W. WhitneyMachine for Bending and Folding Sheet Metalsheet metal
85,991Jan. 19, 1869R.A. BriggsImprovements in combined rule and protractor
95,873Oct. 19, 1869W.M. BleakleyCan Openercan openers
98,216Dec. 28, 1869C.D. AllenSteam Governorsteam engine governors
108,376Oct. 18, 1870J.M. MilhollinImprovement in Weather-Board Gaugesclapboard markers
118,997Sep. 12, 1871H. WilsonImprovement in Pipe Wrenchespipe wrenches
139,710Jun. 10, 1873J. EdwardsAdjustaable Mouth for Match Planesplane throat adjustments
186,259Jan. 16, 1877I.U. MalphursCombination Toolcombination tools
204,992Jun. 18, 1878J.H. Coldwell, G.P. OverinPlane and Guide for Working Rattansplint planes
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