Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Fountain pen +
Mechanical ink pencil +
Ball-point writing instrument +
Writing instrument +
Mechanical ink pencil +
Writing instrument +
Fountain pen +
Writing instrument +
Writing implement +
Ink reservoir pen +
Writing instrument +
Fountain pen +
Fountain pen +
Writing instrument +
Ball-point writing instrument +
Fountain pen +
Fountain pen +
Fountain pen +
Clip for mechanical pencils, fountain pens, and the like +