Piccardi
{{PatentInfo |Inventor=Arnold Martinelli |Assignee=Arnold Martinelli |Country=US |ApplicationNum=331254 |ApplicationDate=1906-08-20 |PatentNum=854584 |PatentDate=1907-05-21 |PriorityDate=1906-08-20 |Titolo=Clip or sustaining device for fountain-pens |M...