Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Pencil with floating clutch +
Magazine pencil +
Improvements in inkstands +
Fountain-pen clip +
Self-loading magazine pencil +
Mechanical pencil +
Mechanical pencil +
Pencil +
Reservoir pen and the like +
Fountain pen +
Fountain pen, lever filler +
Refill mechanism for fountain pens +
Fountain pen and the like +
Combined fountain-pen and pencil +
Fountain-pen ink-feeding device +
Display cabinet for pens and pencils +
Fastening device to be used in connection with mechanical pencils, fountain pens, and the like +
Mechanical pencils +
Pen clip +
Fountain pen +