Piccardi
{{PatentInfo |Inventor=William L. Chapman |Assignee=William L. Chapman |Country=US |ApplicationNum=686293 |ApplicationDate=1912-03-26 |PatentNum=1080099 |PatentDate=1913-12-02 |PriorityDate=1912-03-26 |Titolo=Fountain-pen |Marca=A. A. Waterman |Descriz...