Piccardi
{{PatentInfo |Inventor=Gabriel Larsen |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=422788 |ApplicationDate=1930-01-23 |PatentNum=1863061 |PatentDate=1932-06-14 |PriorityDate=1930-01-23 |Titolo=Receptacle for pen points provided with dar...