One piece self-expiring security badge or label

One piece self-expiring security badge or label with devices...

Patterned indicators

Patterned indicators

Rapidly low temperature curable high gas barrier coating

Sponge replacement and reminder system and method

Stimulus indicating device employing polymer gels

Time indicator

Time indicator

Time indicator

Time indicator assembly

Time indicator enhancement method

Time indicator having discrete adhesive

Time-temperature integrating indicator

Timing system and device and method for making the same

Timing system and device and method for making the same

Timing system and device and method for making the same

Timing system and device and method for making the same

Visual indicator chronograph and the use of the same

Visually changing paper time indicator employing...