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Facts about "Patent-GB-480717.pdf"
Application dateAugust 17, 1936 +
Application number23663/36 +
Assigned toMabie, Todd & Company Limited +
Invented byLeslie William Johnson + and Edward Stephen Sears +
Patent dateFebruary 28, 1938 +
Patent descriptionMatita meccanica +
Patent number480717 +
Patent titleImprovements in or relating to propelling pencils +
Patented bySwan +
Patented inGB +
Priority dateAugust 28, 1936 +