Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
P
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  +
Tip for mechanical pencils  +
Fountain pen desk set  +
Self-filling pen  +