Earthquake and weather resistant, fail-safe construction block
Earthquake resistant building construction and method
Earthquake resistant equipment rack
Earthquake resistant structure utilizing a confinement reinforci
Easily formable grid for windows and the like
Easy-to-assembly patio construction
Economical steel roof truss
Elements for constructing a three-dimensional structure
Elements to erect female and male blanking dies for a die...
Elongate structural member comprising a zigzag web and two...
Elongated integral truss brace
End bearing construction for truss
End fitting for crossarm brace
End part for a vehicle longitudinal beam
Equilateral derrick structure
Equipment support for a metal building
Equipment support for a metal building
Expandable and collapsible structures including split...
Expandable pallet for space station interface attachments
Expandable-retractable portable structure