Structure of a ballpoint pen with extensible closing top
Structure of driving ball refill for a ball point pen
Stylized writing instrument
Stylized writing instrument
Stylized writing instrument
Telescopic ball-point pen
Telescopic ball-point pen
Telescopic device with a firm positioning effect
Telescopic writing instrument
Twist actuated writing instrument
Twist retractable writing implement
Valve made from two materials and writing utensil with...
Variable point writing instrument
Variable-length applicator
Vented plug for ink cartridges
Voice pen for generating audible messages
Writing aid
Writing appliance
Writing appliance that closes automatically after a given time i
Writing implement