Proprietà:Patent title

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Titolo del brevetto (come riportato sullo stesso).

precedenti 202050100250500successivi 20
Showing 20 pages using this property.
P
Patent-US-1490735.pdf +
Fountain pen, lever filler  +
Patent-US-1492451.pdf +
Refill mechanism for fountain pens  +
Patent-US-1493833.pdf +
Fountain pen and the like  +
Patent-US-1495890.pdf +
Combined fountain-pen and pencil  +
Patent-US-1498558.pdf +
Fountain-pen ink-feeding device  +
Patent-US-1504747.pdf +
Display cabinet for pens and pencils  +
Patent-US-1506207.pdf +
Fastening device to be used in connection with mechanical pencils, fountain pens, and the like  +
Patent-US-1506795.pdf +
Mechanical pencils  +
Patent-US-1507622.pdf +
Pen clip  +
Patent-US-1507729.pdf +
Fountain pen  +
Patent-US-1507782.pdf +
Fountain pen  +
Patent-US-1508311.pdf +
Fountain-pen  +
Patent-US-1508795.pdf +
Pencil  +
Patent-US-1510613.pdf +
Combined pencil and fountain-pen construction  +
Patent-US-1510618.pdf +
Pencil  +
Patent-US-1511225.pdf +
Pencil  +
Patent-US-1514002.pdf +
Fountain pen or the like  +
Patent-US-1517411.pdf +
Fountain-pen casing and cap therefor  +
Patent-US-1524068.pdf +
Ink pencil  +
Patent-US-1526365.pdf +
Combined fountain-pen and pencil  +
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