Piccardi
{{PatentInfo |Inventor=John A. Holland |Assignee=John A. Holland |Country=US |ApplicationNum=507455 |ApplicationDate=1931-01-08 |PatentNum=1876298 |PatentDate=1932-09-06 |PriorityDate=1931-01-08 |Titolo=Self-filling pen |Marca=Holland |Descrizione=Car...