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Facts about "Patent-GB-580628.pdf"
Application dateJuly 13, 1944 +
Application number13381/44 +
Assigned toWyvern Fountain Pen Company Limited +
Invented byMark Sydney Finburgh + and William Thomas Higgins +
Patent dateSeptember 13, 1946 +
Patent descriptionPennino integrato +
Patent number580628 +
Patent titleFountain pens +
Patented byWyvern Fountain Pen Company +
Patented inGB +
Priority dateAugust 24, 1944 +