Piccardi
{{PatentInfo |Inventor=Clinton E. Marshall |Assignee=Brown & Bigelow |Country=US |ApplicationNum=321537 |ApplicationDate=1928-11-24 |PatentNum=1783734 |PatentDate=1930-12-02 |PriorityDate=1928-11-24 |Titolo=Fountain pen attachment |Marca=Unbranded |Des...