Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Improvements in Pen Holders +
Improvements in or relating to Fountain or Reservoir Pens +
Improvements in or relating to Stylographic Reservoir Pens +
Improvements in and relating to Fountain Pens +
Improvements in Fountain Pens +
Improvements in or relating to Fountain or Reservoir Pens +
Improvements in and relating to Pens or Nibs +
Improvements in and connected with Fountain Pens +
Improvements in or relating to Self-filling Reservoir Pens +
Improvements in or relating to Stylographic Pens +
Fountain-pens +
Improvements in or relating to Magazine Pencils +
Improvements in or relating to Fountain Pens +
Improvements in and connected with Fountain and like Pens +
Improvements in or relating to Fountain or Reservoir Pens Pens +
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 +