Changed condition indicator
Channel indicator
Channel indicator device
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
Chemiluminescent foldable signal device
Chemiluminescent signal device
Chime tube hanger cord connector
Chiming mechanism
Christian door knocker
Civilian—military—aviation time conversion device
Clamshell hinging aerial wire marker for overhead lines
Clapper assembly for a handbell
Classification file folder marker tabs
Clean hands assured
Clearance indicating device
Clearance pole assembly