Piccardi
{{PatentInfo |Inventor=Wilbur K. Olson |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=57628 |ApplicationDate=1936-01-04 |PatentNum=2091648 |PatentDate=1937-08-31 |PriorityDate=1936-01-04 |Titolo=Fountain pen |Marca=Sheaffer |Descrizio...