Piccardi
{{PatentInfo |Inventor=Otto E. Weidlich |Assignee=Otto E. Weidlich |Country=US |ApplicationNum=565586 |ApplicationDate=1895-10-14 |PatentNum=556522 |PatentDate=1896-03-17 |PriorityDate=1895-10-14 |Titolo=Fountain-pen |Marca=Weidlich |Descrizione=[[Alim...