Piccardi
{{PatentInfo |Inventor=Otto E. Weidlich |Assignee=Otto E. Weidlich |Country=US |ApplicationNum=181842 |ApplicationDate=1904-05-16 |PatentNum=760829 |PatentDate=1904-08-02 |PriorityDate=1904-05-16 |Titolo=Fountain-pen |Marca=Weidlich |Descrizione=[[Alim...