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Fatti riguardanti Patent-US-1019930.pdf
Application dategiugno 16, 1911 +
Application number633488 +
Assigned toVaughn-Upton Company +
Invented byFrancis W. Vaughn Jr. + e Henry J. Upton +
Patent datemarzo 12, 1912 +
Patent descriptionCaricamento sleeve filler +
Patent number1019930 +
Patent titleFountain-pen +
Patented byUnbranded +
Patented inUS +
Priority dategiugno 16, 1911 +
Used for featureSleeve filler +