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Patents for John Roberts
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
572XSep. 05, 1804E. Kelsey, J. Roberts, A.D. AllenMachine for Cutting Chips for Chip Hatsmilliner
CA-18,121Nov. 20, 1883C.E. BaileyHand Vise And Wrenchhand vises
386,855Jul. 31, 1888W.B. SwanAdjustable Handle Draw Knifedraw knives
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