Piccardi
{{PatentInfo |Inventor=Karl Weisser |Assignee=David Kahn Inc. |Country=US |ApplicationNum=153829 |ApplicationDate=1937-07-15 |PatentNum=2153488 |PatentDate=1939-04-04 |PriorityDate=1937-07-15 |Titolo=Writing instrument clip |Marca=Wearever |Descrizion...