Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
P
Pencil holder  +
Improvements in reservoir pens  +
Improvements relating to polishing machines  +
Improvements in or relating to fountain pens  +
Improvements in the manufacture of pens  +
Improvements in or relating to fountain or reservoir pens  +
Improvements in or relating to fountain pens  +
Improvements in or relating to fountain or reservoir pens  +
Improvements in fountain or reservoir pens  +
Improvements in pencil cases  +
Improvements in or relating to fountain pens  +
Improvements in fountain pens of the automatic filling type  +
Improvements in and relating to ink bottles and the like  +
Improvements in Reservoir Pens  +
Improvements in or relating to fountain pens  +
Improvements in or relating to Fountain Pens  +
Improvements in Methods of Working Upon Surfaces of Ebonite and other Vulcanized Rubber Articles  +
Improvements in or relating to fountain or reservoir pens  +
Improvements in tools for poster writing  +
Improvements in or relating to Fountain or Reservoir Pens  +