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