Piccardi
{{PatentInfo |Inventor=John A. Holland |Assignee=John A. Holland |Country=US |ApplicationNum=258299 |ApplicationDate=1878-11-07 |PatentNum=258299 |PatentDate=1882-05-23 |PriorityDate=1878-11-07 |Titolo=Writing-point for stylographic pens |Marca=Holland...