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Patents for Thomas Edwards Jr.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
487,946Dec. 13, 1892T. Edwards, Jr., J.J. EdwardsScrew-driverspiral screwdrivers
520,519May 29, 1894J.J. EdwardsScrew-driverspiral screwdrivers
568,341Sep. 29, 1896T. Edwards, Jr., J.J. EdwardsScrew-driverspiral screwdrivers
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