Piccardi
{{PatentInfo |Inventor=Alonzo T. Cross |Assignee=Alonzo T. Cross |Country=US |ApplicationNum=263392 |ApplicationDate=1882-04-08 |PatentNum=263392 |PatentDate=1882-08-29 |PriorityDate=1882-04-08 |Titolo=Lead and crayon holder |Marca=Cross |Descrizione=M...