Casette tape take-up indicator
Chain elongation indicator and method
Changed condition indicator
Changed condition indicator
Chart holder with priority scheduler and method of use
Checking device for use in hotel refrigerators and other lockabl
Checklist device
Checkmate communication system
Chemically sensitive warning apparatus and method
Civilian—military—aviation time conversion device
Clamshell hinging aerial wire marker for overhead lines
Classification file folder marker tabs
Clean hands assured
Clip friction hinge
Clip-carrying bookmarker
Clip-carrying bookmarker
Clip-on bookmark
Closure cap for a container having time-date indicators
Clothing usage indicator
Clothing wear monitoring device