Piccardi
{{PatentInfo |Inventor=Kenneth S. Parker, Marlin S. Baker |Assignee=Kenneth S. Parker, Marlin S. Baker |Country=US |ApplicationNum=84844 |ApplicationDate=1939-03-06 |PatentNum=D146806 |PatentDate=1939-08-08 |PriorityDate=1939-03-06 |Titolo=Design for a...