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{{PatentInfo |Inventor=George Sweetser |Assignee=George Sweetser |Country=GB |ApplicationNum=190513768 |ApplicationDate=1905-07-04 |PatentNum=13768 |PatentDate=1905-11-23 |PriorityDate=1905-07-04 |Titolo=Improvements in Fountain Pens |Marca=Onoto |Desc...
{{PatentInfo
|Inventor=George Sweetser
|Assignee=George Sweetser
|Country=GB
|ApplicationNum=190513768
|ApplicationDate=1905-07-04
|PatentNum=13768
|PatentDate=1905-11-23
|PriorityDate=1905-07-04
|Titolo=Improvements in Fountain Pens
|Marca=Onoto
|Descrizione=Caricamento a [[siringa rovesciata]]
}}
==Informazioni==
Brevetto per il primo caricamento a [[siringa rovesciata]].