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{{PatentInfo |Inventor=Karl Weisser, David Kahn |Assignee=David Kahn Inc |Country=US |ApplicationNum=114082 |ApplicationDate=1949-09-06 |PatentNum=2624315 |PatentDate=1953-01-06 |PriorityDate=1949-09-06 |Titolo=Fountain pen |Marca=Wearever |Descrizione...