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Facts about "Patent-GB-903559.pdf"
Application dateJuly 12, 1957 +
Application number22219/57 +
Assigned toMentmore Manufacturing Company Limited +
Invented byDerrick John Silver +
Patent dateAugust 15, 1962 +
Patent descriptionSistema di caricamento +
Patent number903559 +
Patent titleImprovements in or relating to fountain pens +
Patented byMentmore +
Patented inGB +
Priority dateJuly 12, 1957 +
Same invention ofFile:Patent-DE-1213295.pdf +, File:Patent-FR-1207795.pdf + and File:Patent-CH-352252.pdf +
Used for featureCapillarity filler +