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{{PatentInfo |Inventor=Frank Amos Jhonson |Assignee=Signature Company |Country=US |ApplicationNum=637651 |ApplicationDate=1911-07-07 |PatentNum=1066115 |PatentDate=1913-07-01 |PriorityDate=1911-07-07 |Titolo=Signagraph |Marca=Waterman |Descrizione=Macc...