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{{PatentInfo |Inventor=Edward Stephen Sears |Assignee=Mabie, Todd & Company Limited |Country=GB |ApplicationNum=4464/44 |ApplicationDate=1944-03-10 |PatentNum=575341 |PatentDate=1946-02-13 |PriorityDate=1944-03-10 |Titolo=Improvements in or relating to...
{{PatentInfo
|Inventor=Edward Stephen Sears
|Assignee=Mabie, Todd & Company Limited
|Country=GB
|ApplicationNum=4464/44
|ApplicationDate=1944-03-10
|PatentNum=575341
|PatentDate=1946-02-13
|PriorityDate=1944-03-10
|Titolo=Improvements in or relating to fountain pens
|Marca=Swan
|Descrizione=Sistema di caricamento
}}
==Informazioni==
Brevetto per una variante di [[caricamento a levetta]].