Proprietà:Patent title
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Titolo del brevetto (come riportato sullo stesso).
P
Design for a pencil +
Design for a combination fountain pen and pencil +
Design for a fountain pen +
Design for a fountain pen +
Design for a combined desk stand and penholder +
Design for a mechanical pencil +
Design for a pen and pencil clip +
Design for a pencil +
Design for a clip for a fountain pen +
Design for a clip for a fountain pen +
Design for a fountain pen +
Design for a fountain pen +
Design for a pencil +
Design for a pencil +
Design for a fountain pen +
Design for a clip for a fountain pen or similar article +
Design for a pencil +
Design for a fountain pen or similar article +
Design for a clip for a fountain pen or the like +
Design for a fountain pen +