Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Fountain pen +
Apparatus for tipping metal bases with metal tips +
Mechanical pencil +
Fountain pen +
Fountain pen +
Filling mechanism for fountain pens +
Mechanical pencil +
Mechanical pencil +
Fountain pen +
Mechanical pencil +
Fountain pen +
Pour-out closure +
Fountain pen +
Writing instrument assemblage +
Mechanical pencil +
Fountain pen +
Fountain pen-holder +
Fountain-pen +
Fountain pen +