Piccardi
{{PatentInfo |Inventor=George W. Mabie |Assignee=George W. Mabie |Country=US |ApplicationNum=194158 |ApplicationDate=1877-07-02 |PatentNum=194158 |PatentDate=1877-08-14 |PriorityDate=1877-07-02 |Titolo=Improvement in pen-holders |Marca=Swan |Descrizion...