Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Improvements in pencil holders +
Improvements in and relating to fountain pens +
Improvements in pencils +
Improvements in and relating to propelling actions or devices for pencil holders +
Improvements in or relating to Fountain or Reservoir Pens +
Improvements in or relating to means for retaining pens, pencils, and the like in the pockets of garments +
Improvements in or relating to reservoir pen-holders +
Improvements in reservoir pens and the like +
Improvements in and relating to fountain pens +
Improvement in Fountain-pens +
Improvements in Fountain Penholders +
Improvement in Fountain-pens +
Combined Fountain-pen and Pencil +
Improvements in Stylographic Pens +
Improvements in Fountain Pens +
Improvements in Fountain or Reservoir Pens +
Improvements in or relating to Fountain Pens +
Improvements in Fountain Pens +
Improvements in Fountain Pens +
Improvements in Reservoir Pens +