Proprietà:Patent title
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Titolo del brevetto (come riportato sullo stesso).
P
Pencil +
Clip and cap structure for fountain pens +
Clip +
Attaching clip +
Magazine pencil +
Fountain pen +
Cartridge pen +
Fountain pen +
Filling device for fountain pens +
Means and method of assembling nibs and feed members for fountain pens +
Fountain-pen assembling +
Fountain pen +
Desk fountain-pen holder +
Pen and pencil mount +
Magazine pencil +
Unbreakable writing instrument and method of making same +
Fountain-pen attachment +
Support for fountain-pen holders +
Improvements in fountain pen +
Reservoir pen +