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Patents for Harriet Johnson
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
512,704Jan. 16, 1894E. Holmes, B. HolmesDevice for Directing Hoops on Barrelsbarrel making machines
CA-45,875Apr. 24, 1894W. DicksWrenchbicycle or pocket wrenches
539,423May 21, 1895J. EmigRatchet Drillhand drills
540,353Jun. 04, 1895W. DicksWrenchquick adjust wrenches
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