Standoff crown measurement device
Stepped platform ramp sight for firearms
Stepping staff
Stereoscopic sighting device
String mounted peep sight for archery
String mounted rear bow sight
String-mounted bow sight
Structure mountable assembly
Structure mountable assembly
Strut height adjusting apparatus
Stud finder
Studfinder and laser line layout tool
Studfinder and laser line layout tool
Studfinder and laser line layout tool
Sun and star time dial
Sun clock
Sun compass
Sun sensors using multi-pinhole overlays
Sun shades for gun sights
Sun tracking device