Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Attachment for fountain-pens +
Fountain or reservoir pen +
Fountain or reservoir pen +
Fountain-pen +
Fountain-pen +
Improvement in pencil-cases +
Mechanical pencil +
Fountain-pen +
Dispensing-stopper for ink-bottles +
Self-filler fountain-pen +
Lead pencil +
Fountain-pen +
Fountain-pen +
Pen and pencil clip +
Gold pen +
Spring and presser-bar for fountain-pens +
Fountain-pen +
Fountain-pen +
Fountain-pen +
Fountain-pen clip +