Object manipulation apparatus
Oblong umbrella
Obstacle detection device for use by the blind
Obstruction-free golf bag umbrella
One hand operated umbrella capable of self-closing
One hand operated umbrella capable of self-opening
One legged two handed walking device
One-hand openable and closable umbrella
One-handed control stick umbrella
One-handed operating mechanism for opening and closing umbrella
One-touch assembling collapsible tent frame
Openable and obliquely rotatable umbrella
Openable enclosures and structures incorporating such enclosures
Opening and closing device for an umbrella
Opening device of automatic umbrella
Opening lock for a sunshade
Opening mechanism of quadruple collapsible umbrellas
Opening structure of a multiple folded umbrella
Operating mechanism for umbrella
Operation device for outdoor umbrella