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{{PatentInfo |Inventor=John C. Wahl |Assignee=The Wahl Company |Country=US |ApplicationNum=428832 |ApplicationDate=1920-12-06 |PatentNum=D057404 |PatentDate=1921-03-15 |PriorityDate=1920-12-06 |Titolo=Design for a pen or pencil case |Marca=Eversharp |D...