Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Writing instrument +
Fountain pen cap +
Dual-well fountain pen +
Magnetic desk set +
Pen desk set +
Fountain pen +
Writing instrument +
Slider for propelling pencils with several leads +
Fountain pen +
Desk penholder +
Fountain pen +
Fountain pen +
Fountain pen +
Fountain pen +
Fountain pen +
Push button type mechanical pencil +
Fountain pen +
Clutch mechanism for mechanical pencils +
Writing inks +
Fountain pen +