Active/passive signature enhancer (APSE)

All-optical flip-flop

Angle selective reflection sheet

Anti-vibration optical device

Apparatus and method of making reflex molds

Apparatus for displaying a suspended image

Arrangement for retroreflection of a ray using triple prisms

Arrangement of corner reflectors for a nearly...

Article exhibiting dry and wet retroreflectivity

Asymmetric cube corner article

Bar coded retroreflective target

Beam conditioning to reduce spatial coherence

Biased lenticular sign system

Bicycle light reflector

Bicycle reflector and mounting bracket

Bicycle safety reflectors

Bicycle tire reflector organization

Bicycle wheel reflector assembly

Cap for external side view mirror of a motor vehicle

Cat's eye retro-reflector array coding device and method of...