Proprietà:Patent title
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Titolo del brevetto (come riportato sullo stesso).
P
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 +