Proprietà:Patent title
Jump to navigation
Jump to search
Titolo del brevetto (come riportato sullo stesso).
P
Soluble ink fountain pen +
Fountain pen feed +
Fountain pen +
Desk set mounting +
Liquid container and housing +
Ink phial or filler +
Inkstand +
Auxiliary well for ink bottles +
Fountain penholder +
Soluble ink fountain pen +
Twisting filler pen +
Fountain pen +
Pump +
Fountain pen +
Permanent brilliantly colored writing fluid +
Pen and pencil clip +
Four color fountain pen +
Soluble ink fountain pen +
Soluble ink fountain pen +
Writing implement +