DNA endoding human alpha 1 adrenergic receptors
Dome-like structure and kit of parts therefor
Domed membrane structure and method of erecting it
Door assembly for use in a shelter and a shelter including same
Double action umbrella
Double sunshade
Double tang design articulating hub assembly
Double-locking adjustable brace
Double-story umbrella
Driving range shelter
Dual direction-swinging device for an umbrella
Dual folded umbrella
Dual handled cane
Dual handled walking and uprisal assist device
Dual locking mechanism for use in umbrella handles
Dual purpose portable apparatus for carrying harvested game...
Dual purpose walking frame for handicapped persons
Dual stair step walker with assist bar
Dual-purpose cane
Dynamically-mounted shelter for floating boat dock