Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
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Improvements in Self-filling Fountain Pens  +
Improvements in Fountain Pens  +
Improvements in or relating to Fountain Pens  +
Improvements in or relating to Fountain Pens  +
Improvements in or relating to Fountain Pens  +
Improvements in Fountain Pens  +
Improvements in or relating to fountain pens  +
Reservoir drawing pen  +
Improvements in or relating to fountain or reservoir pens  +
Improvements in pencil holders  +
Improvements in, or relating to fountain pens  +
Improvements in and relating to pen-holders  +
Improvements in self-filling reservoir pens  +
Improvements in and relating to fountain pens  +
Improvements in or relating to means for retaining pens, pencils, and the like, in the pockets of garments  +
Pencil holder  +
Improvements in reservoir pens  +
Improvements relating to polishing machines  +
Improvements in or relating to fountain pens  +
Improvements in the manufacture of pens  +