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Facts about "Patent-GB-472380.pdf"
Application dateMarch 2, 1937 +
Application number6186/37 +
Assigned toWyvern Fountain Pen Co. +
Invented byDavid Finburgh + and Alec Finburgh +
Patent dateSeptember 22, 1937 +
Patent descriptionMatita meccanica +
Patent number472380 +
Patent titleImprovements relating to propelling pencils +
Patented byWyvern Fountain Pen Company +
Patented inGB +
Priority dateMarch 2, 1937 +