Proprietà:Patent title
Jump to navigation
Jump to search
Titolo del brevetto (come riportato sullo stesso).
P
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 +
Improvements in or relating to means for retaining pens, pencils, and the like in the pockets of garments +
Improvements in or relating to reservoir pen-holders +
Improvements in reservoir pens and the like +
Improvements in and relating to fountain pens +
Improvement in Fountain-pens +