Piccardi
{{PatentInfo |Inventor=William L. Marynissen |Assignee=Waterman Pen Company Inc. |Country=US |ApplicationNum=51407 |ApplicationDate=1958-06-17 |PatentNum=D186445 |PatentDate=1960-03-15 |PriorityDate=1958-06-17 |Titolo=Clip for a writing instrument |Mar...