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Facts about "Patent-US-2037699.pdf"
Application dateJuly 27, 1934 +
Application number737307 +
Assigned toThe Esterbrook Steel Pen Manfacturing Co. +
Invented byLeon H. Ashmore +
Patent dateApril 21, 1936 +
Patent descriptionPennino economico +
Patent number2037699 +
Patent titlePen and method of making the same +
Patented byEsterbrook +
Patented inUS +
Priority dateJuly 27, 1934 +