Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Mechanical pencil +
Fountain pen +
Pour-out closure +
Fountain pen +
Writing instrument assemblage +
Mechanical pencil +
Fountain pen +
Fountain pen-holder +
Fountain-pen +
Fountain pen +
Fountain pen presser bar and method of producing the same +
Feed for fountain pens +
Desk set +
Fountain pen +
Writing implement +
Fountain pen cap construction +
Fountain pen +
Fountain pen +
Marking pen +
Fountain pen +