Proprietà:Patent title
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Titolo del brevetto (come riportato sullo stesso).
P
Fountain pen +
Coated cellulosic plastic +
Fountain pen +
Soluble ink fountain pen +
Writing Pen +
Writing implement +
Desk set +
Fountain pen and the like +
Plunger type pen +
Fountain pen +
Fountain pen +
Fountain pen +
Swaged tip for mechanical pencils +
Mechanical pencil +
Fastening clip for fountain pens, pencils, and the like and attaching means therefor +
Pen desk set +
Fountain pen +
Clip for writing implements or the like +
Adjustable pencil holder +
Permanent quick drying writing fluid +