Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Piston fountain pen +
Mechanical pencil +
Writing instrument +
Process for molding thermoplastic materials and product thereof +
Fountain pen +
Fountain pen barrel +
Lead feeding pencil +
Tip for propelling pencils +
Decorative artificial product +
Fountain pen +
Fountain pen +
Fountain pen +
Fountain pen +
Fountain pen +
Runner tube for mechanical pencils +
Writing instrument clip with interchangeable initials +
Combined instrument clip and plaque holder +
Tube and method of forming the same +