Piccardi
{{PatentInfo |Inventor=John A. Holland |Assignee=John A. Holland |Country=US |ApplicationNum=135118 |ApplicationDate=1873-01-21 |PatentNum=135118 |PatentDate=1873-01-21 |PriorityDate=1873-01-21 |Titolo=Improvement in writing-pens |Marca=Holland |Descri...