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Patents for George W. Marshall
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
416,479Dec. 03, 1889G.W. MarshallCombined Key Seat and Key Cutting Machinekey seating machines
3,089,293May 14, 1963M.V. Waters, G.W. Marshall, W.A. HoierAutomatic Control Mechanism for Roll Grinderroll grinding machines
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