Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
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Improvements in Stylographic Fountain Pens  +
Improvements in and relating to Fountain Pen Clips  +
Improvements in and relating to Self-filling Fountain Pens  +
Improvements in or relating to Fountain Pens  +
Improvements in or relating to fountain pens  +
Improvements in or relating to fountain or reservoir pens  +
Improvements in or relating to Fountain Pens  +
Improved casing for "sticks" of fragile and soft materials for drawing, writing and the like purposes  +
Improvements in or relating to fountain pens  +
Improvements in and relating to the filling of fountain pens  +
Improvements in fountain and other reservoir pens  +
Improved fountain pen holder  +
Improvements in or relating to fountain or reservoir pens  +
Improvements in fountain pens  +
Improvements in fountain pens  +
Improvements in pencil holders  +
Improvements in and relating to fountain pens  +
Improvements in pencils  +
Improvements in and relating to propelling actions or devices for pencil holders  +
Improvements in or relating to Fountain or Reservoir Pens  +