Piccardi
{{PatentInfo |Inventor=David Klein |Assignee=Marx Finstone |Country=US |ApplicationNum=618198 |ApplicationDate=1923-02-10 |PatentNum=1475953 |PatentDate=1923-12-04 |PriorityDate=1923-02-10 |Titolo=Lever for self-filler fountain pens |Marca=Eclipse |Des...