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Patents for Hendrick Julius Hjorth
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
540,984Jun. 11, 1895H.J. HjorthBreast or Hand Drillbreast drills
1,127,890Feb. 09, 1915H.J. HjorthT-Rest for Lathesmetal lathe accessories and attachments
1,232,801Jul. 10, 1917H.J. HjorthUniversal Lathe Attachmentmetal lathe accessories and attachments
1,442,149Jan. 16, 1923H.J. HjorthDrilling Machinedrill presses
1,807,625Jun. 02, 1931H.J. HjorthValve Wrenchwrenches
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