Piccardi
{{PatentInfo |Inventor=Arthur Forsell, Robert H. Harmon |Assignee=Arthur Forsell, Robert H. Harmon |Country=US |ApplicationNum=615842 |ApplicationDate=1923-01-30 |PatentNum=1527971 |PatentDate=1925-03-03 |PriorityDate=1923-01-30 |Titolo=Pen |Marca=Unbr...