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Patents for Joseph Johnson
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
565,992Aug. 18, 1896E. JohnsonMilling-machinemilling machines
742,025Oct. 20, 1903P.V. Vernon, A. HerbertVariable Speed Driving Mechanismmetalworking variable speed mechanisms
1,443,413Jan. 30, 1923J. JohnsonSocket Wrenchratchet wrenches
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