Proprietà:Patent title

Da FountainPen.
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Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
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Mechanical pencil  +
Stable blue writing ink and a dye therefor  +
Fountain pen  +
Fountain pen  +
Fountain pen  +
Fountain pen  +
Pen desk set  +
Pen desk set  +
Mechanical pencil with push-button type lead feeding means  +
Magazine pencil with rotary lead propelling means  +
Writing instrument  +
Fountain pen cap  +
Dual-well fountain pen  +
Magnetic desk set  +
Pen desk set  +
Fountain pen  +
Writing instrument  +
Slider for propelling pencils with several leads  +
Fountain pen  +
Desk penholder  +