Piccardi
{{PatentInfo |Inventor=William A. Whitehouse |Assignee=William A. Whitehouse |Country=US |ApplicationNum=241246 |ApplicationDate=1905-01-16 |PatentNum=794329 |PatentDate=1905-07-11 |PriorityDate=1905-01-16 |Titolo=Finger-guard for penholders or pencils...