Piccardi
{{PatentInfo |Inventor=David Kahn |Assignee=David Kahn Inc |Country=US |ApplicationNum=133913 |ApplicationDate=1937-03-30 |PatentNum=2141988 |PatentDate=1938-12-27 |PriorityDate=1937-03-30 |Titolo=Plaque holder and method of making the same |Marca=Wear...