Laser gradient setting device
Laser level detection system
Laser protractor
Laser sight for use in archery
Lens cap assembly and removal method
Lens field of view simulator
Lens previewer
Lighted gun sight
Low profile gun sight
Luminous dot sighting instrument
Magnification device lens assembly
Mechanical aiming device for rifles
Method and apparatus for distance measurement
Method and apparatus for measuring distances
Modular sighting laser for a firearm
Mounting system for mounting an alignment instrument on a...
Mounting system for optical sighting devices
Navigational instruments
Night sight with light diffraction pattern
Object locator sight