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Patents for M. W. Frothingham
Patents 1 - 15 of 30
First set of recordsNext set of recordsLast set of records
54,519May 08, 1866W. FitzgeraldLathe Gearingindustrial machine gearing
64,286Apr. 30, 1867L.O. Crocker, G.F. FieldTicket-Cutterticket
79,131Jun. 23, 1868A. Hathaway, J. KendallGrinding Plate Glassglassmaker
79,132Jun. 23, 1868A. Hathaway, J. KendallPolishing Glasspolishing and buffing machinery
90,620May 25, 1869C.V. WoerdLathe for Grinding and Polishing Pivots of Watch workwatchmakers lathes
112,759Mar. 14, 1871H.K. WhiteLathe dogwood lathe accessories
119,678Oct. 03, 1871J.W. WhiteImprovement in saws for sawing fret-holes in fan-sticksspecial purpose saws
123,433Feb. 06, 1872A. WeedSaw filefiles
123,652Feb. 13, 1872A. WeedSaw filefiles
125,948Apr. 23, 1872A.S. GearOscillating spindle sanderfoundryman
126,198Apr. 30, 1872A.S. GearImprovement in molding and carving machinespanel raising machines
127,363May 28, 1872A. PartridgeImprovement in Malletsmallets
127,541Jun. 04, 1872S.M. AdamsImproved Plane-Stockplane beds
127,842Jun. 11, 1872J. BrooksImprovements in Bench-Planesbench planes
128,287Jun. 25, 1872R. CrookerImprovement in machines for straightening rolled-metal platesmetal straightening machines
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