Piccardi
{{PatentInfo |Inventor=Marvin C. Stone |Assignee=Marvin C. Stone |Country=US |ApplicationNum=255205 |ApplicationDate=1881-08-30 |PatentNum=255205 |PatentDate=1882-03-21 |PriorityDate=1881-08-30 |Titolo=Fountain pen-holder |Marca=Unbranded |Descrizione=...