Piccardi
{{PatentInfo |Inventor=Harold E. Steinberg |Assignee=The Esterbrook Pen Company |Country=US |ApplicationNum=123367 |ApplicationDate=1945-10-31 |PatentNum=D146012 |PatentDate=1946-12-03 |PriorityDate=1945-10-31 |Titolo=Design for a writing pen |Marca=Es...