Proprietà:Patent title

Titolo del brevetto (come riportato sullo stesso).

Showing 20 pages using this property.
P
Pencil with floating clutch  +
Magazine pencil  +
Improvements in inkstands  +
Fountain-pen clip  +
Self-loading magazine pencil  +
Mechanical pencil  +
Mechanical pencil  +
Reservoir pen and the like  +
Fountain pen  +
Fountain pen, lever filler  +
Refill mechanism for fountain pens  +
Fountain pen and the like  +
Combined fountain-pen and pencil  +
Fountain-pen ink-feeding device  +
Display cabinet for pens and pencils  +
Fastening device to be used in connection with mechanical pencils, fountain pens, and the like  +
Mechanical pencils  +
Fountain pen  +