Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Fountain pen +
Pen and method of making the same +
Fountain pen +
Fountain pen cap and clip +
Improvements in or relating to Writing Points or Nibs +
Self filling fountain pen +
Fountain pen +
Soluble ink fountain pen +
Improvement in fountain-pen holders +
Fountain pen +
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 +