Proprietà:Patent title
Jump to navigation
Jump to search
Titolo del brevetto (come riportato sullo stesso).
P
Fountain pen +
Tip for a marking instrument +
Fountain pen +
Tip for mechanical pencils or the like +
Clip and cap structure for fountain pens +
Reversible eraser tip +
Apparatus for making pencil leads +
Receptacle for liquids +
Pressure bar for fountain pens +
Receptacle for fountain pens +
Fountain pen +
Method of and apparatus for treating thermoplastic tubes +
Reservoir desk stand +
Fountain pen +
Material for pen tips +
Fountain pen +
Ink container +
Writing instrument +
Fountain pen +
Fountain pen +