Piccardi
{{PatentInfo |Inventor=David Kahn |Assignee=David Kahn Inc |Country=US |ApplicationNum=167292 |ApplicationDate=1937-10-04 |PatentNum=2141990 |PatentDate=1938-12-27 |PriorityDate=1937-10-04 |Titolo=Plaque holder for writing instruments and the like |Mar...