Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
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Improvements in or relating to fountain pens  +
Improved propelling pencil  +
Fountain pen  +
Improvements in writing instruments  +
Improvements in or relating to fountain pens  +
Improvements in pocket clips for fountain pens, pencils and the like  +
Improvements in or relating to multiple lead pencils  +
Improvements in fountain pens, propelling pencils and the like  +
Feed device for fountain pen nibs  +
Fountain pen  +
Improvements in or relating to fountain pens  +
Stylographe  +
Improvements in Nib Sections for Fountain Pens  +
Improvements in or relating to Fountain Pens  +
Improvements in reservoir pens  +
Improvements in or relating to fountain pens  +
Improvements in pocket clips for fountain pens, pencils and the like  +
Improvements in Nib Sections for Fountain Pens  +
Improvements in and relating to ball point pens  +
Improvements relating to fountain pens  +