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|Assignee=Duncan Cameron, Waverley Works
|Assignee=Duncan Cameron, Waverley Works
|Country=GB
|Country=GB
|ApplicationNum=190515547
|ApplicationNum=190804024
|ApplicationDate=1908-02-22
|ApplicationDate=1908-02-22
|PatentNum=190804024
|PatentNum=190804024
|PatentDate=1908-10-15
|PatentDate=1908-10-15
|PriorityDate=1908-02-22
|PriorityDate=1908-02-22
|Titolo=A New or Improved Ink Guard or Shield for use in connection with the Filling of Fountain and like Reservoir Pens
|Titolo=Improvements in and relating to Fountain Pen Nibs
|Marca=Cameron
|Marca=Cameron
|Descrizione=Accessorio per caricamento
|Descrizione=Accessorio per caricamento