US Patent 7503321 Illuminated sight pin

A sighting device for use with a firearm or bow comprises a fiber optic member having a sight end visible by a user for aiming the firearm or bow at a target. A non-electrical, light-emitting material is disposed over a length of the fiber optic element in order to illuminate the fiber optic element in low light or no ambient light conditions. The non-electrical, light-emitting material may be incorporated into the sighting device in order to provide sufficient surface contact with the fiber optic member to provide adequate illumination as well as illumination of the sighting device itself.