Portable mechanical alarm for doors, windows and the like
Portable mechanical burglar alarm
Portable navigational aid
Portable reflector device
Portable safety flag
Portable scoreboard
Portable scoring device
Portable sign or barricade
Portable signalling device
Portable surface wind indicator
Portable temporary emergency distress signal
Portable tennis score keeper
Portable traffic barrier
Portable traffic marker
Portable traffic signalling apparatus and methods therefor
Portable visual display assembly
Portable warning marker
Position flag for manually usable means
Position indicating apparatus
Position indicating device and method of use