Apparatus for the selective application of liquid media
Ballpoint pen with visual window and sleeve
Cosmetic applicator with transparent container portion
Indicating chart pen cartridge with transparent wall
Ink for ball-point pen and ball-point pen using the same
Method for marking the external surface of a strand of material
Pen or pencil
Transparent or translucent tubular structure
Writing insert with non-destructive final inspection
Writing instrument improved outer barrel and method of producing
Writing instrument with fluid-containing barrel