Piccardi
{{PatentInfo |Inventor=Henry H. Soper |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=45016 |ApplicationDate=1932-09-23 |PatentNum=D089939 |PatentDate=1933-05-16 |PriorityDate=1932-09-23 |Titolo=Design for an ink bottle cap |Marca=Waterman...