Piccardi
{{PatentInfo |Inventor=William R. Cuthbert |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=657565 |ApplicationDate=1933-02-20 |PatentNum=1963261 |PatentDate=1934-06-19 |PriorityDate=1933-02-20 |Titolo=Auxiliary well for ink bottles |Ma...