Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Fountain pen +
Pen and pencil-case +
Cap for fountain pens +
Fountain-pen filler +
Method of working upon surfaces of ebonite articles +
Self-filling stylographic pen +
Fountain pen +
Clamp or clip for fountain pens +
Fountain pen +
Pen-filling mechanism +
Fountain Attachment for Pens +
Stopper for inkbottles +
Pocket clip for pens, etc. +
Reservoir pen +
Pen and pencil clip +
Self-filling fountain pen +
Mechanical pencil +
Pen and nib and method of producing same +
Device for applying bands on pens or pencils +