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Patents for Andrew J. Johnson
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
603,484May 03, 1898A.J. JohnsonAutomatic Turret Head for Lathesmetal lathe accessories and attachments
605,166Jun. 07, 1898A.J. JohnsonLathe Chuckmetal lathe chucks
640,039Dec. 26, 1899A.J. Johnson, C.T. SmithPneumatic Drill.pneumatic tools
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