Proprietà:Patent title
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Titolo del brevetto (come riportato sullo stesso).
P
Spring and presser-bar for fountain-pens +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen clip +
Writing implement +
Improved pen and pencil case +
Self-filling fountain-pen +
Fountain-pen +
Self-filling fountain-pen +
Fountain-pen +
Improvement in pen-holders +
Lever-Filler Fountain-pen +
Fountain-pen +
Clip for fountain-pens +
Presser-bar-actuating lever for self-filling fountain-pens +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Improvement in pen-and-pencil cases +