Apparatus for indicating intensity of an illuminator in an optic

Apparatus for indicating tire pressure

Apparatus for indicating whether the interior of a container has

Apparatus for marking surfaces or objects

Apparatus for marking the location of submerged articles

Apparatus for monitoring the condition of a filter

Apparatus for mounting a stone golf course marker

Apparatus for operating a pressure gauge or the like

Apparatus for preventing credit card loss

Apparatus for preventing flags and banners from folding

Apparatus for supporting a banner unfurled

Apparatus for supporting a banner unfurled

Apparatus for supporting and illuminating display flags

Apparatus for supporting flags on automobile antennas

Apparatus for supporting flags on automobile antennas

Apparatus for supporting flags, banners and the like

Apparatus for tallying the amount of time for which a pair of co

Apparatus for temporarily marking automobiles and method of usin

Apparatus for visually indicating elapsed time by a color change

Apparatus for visually indicating when a pool filter is dirty