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{{PatentInfo |Inventor=David Kahn, Karl Weisser |Assignee=David Kahn Inc |Country=US |ApplicationNum=791294 |ApplicationDate=1947-12-12 |PatentNum=2605746 |PatentDate=1952-08-05 |PriorityDate=1947-12-12 |Titolo=Fountain pen |Marca=Wearever |Descrizione...