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Facts about "Patent-GB-416648.pdf"
Application dateMay 8, 1934 +
Application number13879/34 +
Assigned toMark Sydney Finburgh +
Invented byMark Sydney Finburgh +
Patent dateSeptember 18, 1934 +
Patent descriptionSistema di caricamento +
Patent number416648 +
Patent titleImprovements in fountain pens +
Patented byWyvern Fountain Pen Company +
Patented inGB +
Priority dateMay 8, 1934 +
Used for featureBulb filler + and Button filler +