Piccardi
{{PatentInfo |Inventor=Dewitt C. Demarest |Assignee=Dewitt C. Demarest |Country=US |ApplicationNum=199254 |ApplicationDate=1886-04-20 |PatentNum=353053 |PatentDate=1886-11-23 |PriorityDate=1886-04-20 |Titolo=Fountain-pen |Marca=Unbranded |Descrizione=[...