Piccardi
{{PatentInfo |Inventor=Donald H. Young, Robert G. Plantholt, Frederick W. Hertzler |Assignee=Waterman Company Inc. |Country=US |ApplicationNum=32325 |ApplicationDate=1954-09-17 |PatentNum=D177359 |PatentDate=1956-04-03 |PriorityDate=1954-09-17 |Titolo=...