Piccardi
{{PatentInfo |Inventor=Daniel V. Bowen |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=528669 |ApplicationDate=1931-04-08 |PatentNum=1842503 |PatentDate=1932-01-26 |PriorityDate=1931-04-08 |Titolo=Penholder for writing instruments |Marca=W...