Leak observation through capillary action that exposes moisture
Light-reflective marker
Light-reflective warning arrow mount for automotive vehicles
Lighted orientation device
Limit sensing indicator
Line and page bookmarker
Line guide for copy stand
Line identifying bookmark
Line mark book mark
Line marker
Line marker with locking mechanism
Line type indicator for fishing reel
Linear stroke valve position indicator
Liquid level gauging apparatus
Liquid level indicating device
Liquid level indicating device for movably mounted dispenser tan
Liquid level sensor and alarm system
Load bearing device including overload indicator
Load monitoring device
Load-carrying slings