Piccardi
{{PatentInfo |Inventor=Byron B. Goldsmith |Assignee=Byron B. Goldsmith |Country=US |ApplicationNum=568290 |ApplicationDate=1922-06-14 |PatentNum=1473701 |PatentDate=1923-11-13 |PriorityDate=1922-06-14 |Titolo=Inkstand for soluble ink |Marca=Unbranded |...