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{{PatentInfo |Inventor=Zimmer Edward |Assignee=David Kahn Inc |Country=US |ApplicationNum=112947 |ApplicationDate=1936-11-27 |PatentNum=2156775 |PatentDate=1939-05-02 |PriorityDate=1936-11-27 |Titolo=Fountain pen identifying device |Marca=Wearever |Des...