Piccardi
{{PatentInfo |Inventor=John A. Holland |Assignee=John A. Holland |Country=US |ApplicationNum=118367 |ApplicationDate=1871-08-22 |PatentNum=118367 |PatentDate=1871-08-22 |PriorityDate=1871-08-22 |Titolo=Improvement in pen-holders |Marca=Holland |Descriz...