Building systems with non-regular polyhedral nodes
Building truss
Building truss
Building truss having a connector with an integral mounting...
Building unit
Bullet resistant frame structure
Bus frame for a motor bus
Butt joint of frame components
C-channel construction member
Cage spacer
Cage spacer
Cage spacer
Casement frame for a window
Casing for making concrete construction components
Casing system for dumbwaiters
Ceiling grid arrangement and connector used therewith
Ceiling or like structural system and splice member therefor
Ceiling runner
Ceiling runner locking means
Ceiling suspension structure adapted for unopposed intersections