Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Dispensing cabinet +
Fountain-pen desk stand +
Fountain-Pen refill indicator +
Fountain pen attachment +
Device for automatically filling fountain pens +
Fountain pen +
Fountain pen holder +
Sealing apparatus +
Device for operating on nibs +
Desk-set receptacle +
Fountain pen +
Holding means for desk sets +
Clip for writing instruments +
Attachment for fountain pens +
Self-filling sac pen +
Fountain-pen-filling device +
Fountain-pen desk stand +
Fountain pen +
Fountain-pen +