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Patents for Brown Specialty Manufacturing Company
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
371,302Oct. 11, 1887M.E. CampfieldRapid Transit Monkey Wrenchquick adjust wrenches
380,859Apr. 10, 1888M.E. CampfieldCombined Nut and Pipe Wrenchquick adjust wrenches
395,213Dec. 25, 1888M.E. CampfieldMachine For Truing and Dressing Wrench Blanks
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