Umbrella mountable on a backpack
Umbrella opening and closing device
Umbrella opening and closing device without use of spring latche
Umbrella opening device for vehicle
Umbrella opening mechanism
Umbrella operating system
Umbrella operatively closed by directly pulling runner...
Umbrella package
Umbrella repair device
Umbrella replacement canopy
Umbrella retaining apparatus
Umbrella reversal prevention structure
Umbrella rib and tip arrangement
Umbrella rib assembly having light grooved rib reinforced with r
Umbrella rib linkage system
Umbrella rib tipping system
Umbrella runner
Umbrella securing and tearing prevention device
Umbrella shaft, and umbrella having such an umbrella shaft
Umbrella shelter