Automatic bounce device for a center stick in a pen
Ball point pen smooth touch
Clicking-type ball point pen
Clicking-type writing implement
Clicking-type writing implement
Clip actuated latch mechanism for retractable writing instrument
Clip actuated latch mechanism for retractable writing instrument
Clip mount insert
Clip-operated retraction mechanism
Flat, multi-element writing instrument
Knock-type writing instrument
Knock-type writing instrument having a shock-relaxing device
Knocking writing utensil
Knocking writing utensil
Latch mechanism for retractable writing instruments
Marking instrument
Mechanism for extruding and retracting a writing member of a wri
Pen
Pop-up pen
Pressing device for a pen