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{{PatentInfo |Inventor=George Sweetser |Assignee=Thomas De La Rue & Company Limited |Country=US |ApplicationNum=81420 |ApplicationDate=1926-01-15 |PatentNum=1609387 |PatentDate=1926-10-05 |PriorityDate=1925-07-15 |Titolo=Self-filling stylographic pen |...
{{PatentInfo
|Inventor=George Sweetser
|Assignee=Thomas De La Rue & Company Limited
|Country=US
|ApplicationNum=81420
|ApplicationDate=1926-01-15
|PatentNum=1609387
|PatentDate=1926-10-05
|PriorityDate=1925-07-15
|Titolo=Self-filling stylographic pen
|Marca=Onoto
|Descrizione=[[Penna a stilo]]
}}
==Informazioni==
Brevetto per una [[Used for feature::enna a stilo]]. Priorità dal brevetto inglese.