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Patents for Plumb, Burdict and Barnard
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
211,826Jan. 28, 1879S.L. WorsleyMachine for Nutting Boltsnut or bolt making machines
232,869Oct. 05, 1880S.L. WorsleyMachine for Threading Screwsmetal threading machines
246,933Sep. 13, 1881S.L. WorsleyMachine for Feeding Screw Blanksmetal threading machines
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