Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Lever self-filler fountain-pen +
Self-filling writing instrument +
Presser-bar for fountain pen +
Design for a fountain pen +
Fountain pen clip +
Fountain-pen +
Self-filling fountain-pen +
Fountain pen +
Fountain-pen +
Fountain and stylographic pens +
Fountain or reservoir pen +
Clip for pencil and the like +
Fountain pen +
Self-filling fountain pen +
Fountain-pen cap and clip +
Pencil +