Proprietà:Patent title
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Titolo del brevetto (come riportato sullo stesso).
P
Improvements in or relating to Calendars or Date Indicators +
Improvements in or relating to means for attaching clips to fountain pen caps and the like +
Improvements in or relating to Stands for Pens and the like +
Improvements in and relating to Fountain-pens +
Improvements in or relating to pen nibs +
Improvements in or relating to pouring devices for attachment to bottles and other containers +
Improvements in or relating to reservoir pens +
Improvements in Reservoir Fountain Pens +
Improvements in and connected with Self-filling Fountain Pens +
Improvements in or relating to Stands for Pens and the like +
Self-filling Fountain Pen +
Improved Manufacture of Writing Inks +
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 and relating to twin fountain pens +
Improvements in or relating to pencil holders +
Improvements in and relating to Ink Wells and in particular Ink Wells suitable for use with Self-filling Fountain Pens +
Improvements in or relating to Pencils +
Improvements in or relating to Reservoir Pens +