Proprietà:Patent title
Titolo del brevetto (come riportato sullo stesso).
P
Unbreakable writing instrument and method of making same +
Fountain-pen attachment +
Support for fountain-pen holders +
Improvements in fountain pen +
Reservoir pen +
Fountain pen +
Pen desk set +
Fountain pen and stand therefor +
Stand for fountain pens +
Writing Pen +
Desk-set receptacle and gripper +
Fountain pen +
Closure means for containers +
Fountain pen +
Fountain pen +
Fountain pen +
Fountain pen and method of assembling same +
Fountain pen +
Desk stand and holder for fountain pens +
Fountain-pen desk stand +