Piccardi
{{PatentInfo |Inventor=Robert T. Pollock |Assignee=Pollock Pen Company |Country=US |ApplicationNum=490150 |ApplicationDate=1921-08-05 |PatentNum=1641096 |PatentDate=1927-08-30 |PriorityDate=1921-08-05 |Titolo=Clip or fastener |Marca=John Hancock |Desc...