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Patents for Springfield Glue & Emery Wheel Co.
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
285,626Sep. 25, 1883D.B. HydeGrinding Wheel Frametool grinders
375,821Jan. 03, 1888A. Vallentine, E.R. HydeGrinding Machinegrinding machines
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