Piccardi
{{PatentInfo |Inventor=Frank C. Alexander |Assignee=Eversharp Inc. |Country=US |ApplicationNum=364615 |ApplicationDate=1940-11-07 |PatentNum=2255093 |PatentDate=1942-02-24 |PriorityDate=1940-11-07 |Titolo=Retaining clasp |Marca=Eversharp |Modello=Skyli...