Piccardi
{{PatentInfo |Inventor=Seth S. Crocker |Assignee=Ralph C. Crocker |Country=US |ApplicationNum=210166 |ApplicationDate=1904-05-28 |PatentNum=767208 |PatentDate=1904-08-09 |PriorityDate=1904-05-28 |Titolo=Fountain-pen |Marca=Crocker |Descrizione=Variant...