Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
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 +
Improvements in Fountain Pen Holders +
Improvements in and relating to Fountain and Stylographic Pens +
Improvements in Reservoir Pens +
Improvements in and relating to Loose Leaf Ledgers, Binders and the like +
Improvements in and relating to Fountain Pen Nibs +
Improvements in Stylographic Pens +
Improvements in and relating to Fountain Pen Nibs +
Improvements in and relating to Ink-stands +
Improvements in Lead Pencil Protectors +
Improvements in Reservoir Pens +