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Patents for W. Ross Wilson
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
359,972Mar. 22, 1887W. Hollingsworth, F.X. HooperMachine for printing on boards
363,335May 17, 1887W. Hollingsworth, F.X. HooperApparatus for drying coated sheets of paper
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