Piccardi
{{PatentInfo |Inventor=John A. Holland |Assignee=John A. Holland |Country=US |ApplicationNum=69474 |ApplicationDate=1901-07-24 |PatentNum=683763 |PatentDate=1901-10-01 |PriorityDate=1901-07-24 |Titolo=Pen protector for penholders |Marca=Holland |Descri...