Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
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 +
Improvements in art of manufacturing fountain pen caps and barrels +
Loose lead pencil holder +
Improvements in and relating to Fountain Pens +
Improvements in Reservoir Pens +
Improvements in and relating to Fountain Pens +
Improvements in Propelling Pencils +
Improvements in or relating to containers for liquid or semiliquid adhesives +
Porte-mine +
Improvements in or relating to Fountain Pens +
Improvements in Reservoir Pens +