Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Filling device with rubber cap for fountain pens +
Means for retaining pens, pencils, and the like in the pockets of garments +
Fountain pen +
Check protector +
Pencil +
Fountain pen +
Stylographic fountain pen +
Self-filling fountain pen +
Pencil with adjustable lead +
Clip for mechanical pencils +
Clip for fountain pens +
Fountain pen +
Pencil +
Lever-filler fountain pen +
Display cabinet +
Inkstand for soluble ink +
Lever for self-filler fountain pens +
Self-filling fountain pen +
Combined fountain pen and lead pencil +