Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Fountain pen protector +
Pencil +
Magazine pencil +
Display apparatus +
Fountain pen +
Fountain pen pressure bar +
Device for facilitating the filling of fountain pens +
Reservoir pen +
Desk set mounting +
Clip for fountain pens and pencils +
Writing instrument receiving receptacle +
Fountain pen desk set +
Fountain pen +
Clip for fountain-pen caps, pencils and the like +
Receptacle for pen points provided with dark bands +
Fountain pen filling attachment for ink bottles or the like +
Means for making pen nibs +
Fountain pen +
Cap construction +