Mechanical pencil with automatic lead advance

Mechanical pencil with automatic lead feed

Mechanical pencil with chuck closing by normal writing grip

Mechanical pencil with groove and lug structure

Mechanical pencil with improved slider mechanism

Mechanical pencil with latching chuck actuator

Mechanical pencil with lead feed responsive to writing pressure

Mechanical pencil with lead-feeding device operable by forward s

Mechanical pencil with lead-feeding device operable by forward s

Mechanical pencil with refill cartridge

Mechanical pencil with rotary discharge member

Mechanical pencil with self-contained insert

Mechanical pencil with self-tapping propelling nut and the metho

Mechanical pencil with shaking type lead-feeding mechanism

Mechanical pencil with tapered supply chamber

Mechanical writing apparatus with a mechanism for retracting pre

Mechanically controlled-writing apparatus with presharpened penc

Mechanism for extending and retracting a cosmetic pomade

Mechanism for feeding stick type cosmetic materials, container e

Mechanism for rotating case