Piccardi
{{PatentInfo |Inventor=John Slater |Assignee=Mabie Todd and Bard |Country=US |ApplicationNum=123553 |ApplicationDate=1902-09-15 |PatentNum=716489 |PatentDate=1902-12-23 |PriorityDate=1902-09-15 |Titolo=Means for attaching caps to fountain or other pens...