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Patents for Vernon F. Prentice
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
127,132May 21, 1872E.J. Worcester, A.F. PrenticeImprovement in drilling-machinesdrill presses
193,437Jul. 24, 1877V.F. Prentice, E.J. WorcesterImprovement in machines for grinding mower and reaper knivesgrinders
CA-8,630Apr. 08, 1878E.J. Worcester, V.F. PrenticeMachine for grinding cutters of mowers and reaperssharpening machines
D12,839Mar. 28, 1882V.F. PrenticeDesign for an upright drilling machinedrill presses
418,382Dec. 31, 1889V.F. PrenticeMetal-turning lathemetal lathes
418,383Dec. 31, 1889V.F. PrenticeDrilling-machinedrill presses
438,014Oct. 07, 1890B.G. LutherDrilling-machinedrill presses
547,588Oct. 08, 1895V.F. PrenticeDrilling-machine
553,594Jan. 28, 1896V.F. PrenticeEngine Latheengine lathes
572,445Dec. 01, 1896B.W. PrenticeSectional expansion-taptaps and dies
582,225May 11, 1897V.F. PrenticeMandrelmandrels and arbors
661,586Nov. 13, 1900V.F. PrenticeRadial drilling-machineradial drill presses
980,435Jan. 03, 1911V.F. PrenticeBelt-drivedrill presses
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