Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
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Improvements in Fountain Penholders  +
Improvement in Fountain-pens  +
Combined Fountain-pen and Pencil  +
Improvements in Stylographic Pens  +
Improvements in Fountain Pens  +
Improvements in Fountain or Reservoir Pens  +
Improvements in or relating to Fountain Pens  +
Improvements in Fountain Pens  +
Improvements in Fountain Pens  +
Improvements in Reservoir Pens  +
Improvements in Fountain Pens  +
Improvements in and relating to Cases or Holders for Fountain Pens, Pencils and the like  +
Improvements in Fountain Pens  +
Improvements in a Certain Part of Fountain Pens  +
Improvements in Stylographic Pens  +
Improvements in and relating to Cases or Holders for Fountain Pens, Pencils and the like  +
Improvements in Pencil Cases  +
Improvements in Pencil-cases  +
Improvements in Fountain Pens  +
Improvements in Pen-nibs for use in connection with Fountain and other Pens  +