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Patents for Edward J. Worcester
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberDatePatenteeTitleType
17,531Jun. 09, 1857E.J. WorcesterImproved Adjustable Fork-Jaw Wrenchscrew adjust wrenches
65,982Jun. 18, 1867E.J. WorcesterImproved brush
99,803Feb. 15, 1870E.J. WorcesterImproved drilling-machinedrill presses
108,747Oct. 25, 1870E.J. WorcesterWrenchscrew adjust wrenches
108,748Oct. 25, 1870E.J. WorcesterImprovement in shingling-brackets
110,530Dec. 27, 1870E.J. WorcesterImprovement in boring-machinesdrilling and boring
127,132May 21, 1872E.J. Worcester, A.F. PrenticeImprovement in drilling-machinesdrill presses
135,613Feb. 04, 1873E.J. WorcesterImprovement in drilling-machinesdrill presses
138,975May 13, 1873E.J. WorcesterImprovement in bush-hammers
193,437Jul. 24, 1877E.J. Worcester, V.F. PrenticeImprovement in machines for grinding mower and reaper knivesgrinding machines
197,711Nov. 27, 1877E.J. WorcesterImprovement in machines for grinding lawn-motor cuttergrinding machines
CA-8,630Apr. 08, 1878E.J. Worcester, V.F. PrenticeMachine for grinding cutters of mowers and reaperssharpening machines
274,243Mar. 20, 1883E.J. WorcesterDrilling-machinedrill presses
287,209Oct. 23, 1883E.J. WorcesterDrilling-machinewoodworking post drills
325,373Sep. 01, 1885E.J. WorcesterDrill-grinding attachment for drilling-machineswoodworking post drills
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