Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Pencil case +
Writing-point for stylographic pens +
Fountain pen +
Fountain pen +
Nib for writing pens +
Writing pen assembly +
Fountain pen +
Fountain pen +
Fountain pen +
Writing instrument +
Writing instrument +
Fountain pen +
Writing instrument +
Ink feed and overflow collector means for fountain pens +
Fountain pen +
Inkwell +
Fountain pen +
Fountain pen cleaning device +
Fountain pen with positioning means for the ink sac thereof +