Piccardi
{{PatentInfo |Inventor=Edward V. Whiton |Assignee=Williamson Pen Company |Country=US |ApplicationNum=423892 |ApplicationDate=1908-03-26 |PatentNum=910980 |PatentDate=1909-01-28 |PriorityDate=1908-03-28 |Titolo=Feed-bar fot fountain-pens |Marca=Williams...