Piccardi
{{PatentInfo |Inventor=David Klein |Assignee=Marx Finstone |Country=US |ApplicationNum=618197 |ApplicationDate=1923-02-10 |PatentNum=1468025 |PatentDate=1923-09-18 |PriorityDate=1923-02-10 |Titolo=Clip for fountain pens |Marca=Eclipse |Descrizione=Mont...