Prefabricated building components of expanded material and cemen
Prefabricated support and floor system for building
Prefabricated walls
Process and apparatus for elevating a folding roof system
Process and apparatus for supporting hoisted floors peripherally
Pulling iron enclosure
Push/pull outrigger for manufactured home
Railroad signal foundation and method of producing, transporting
Raised access flooring system
Raised floor panels
Raised floor supporting structure
Raised floor system formed of octagonal panels
Raised flooring system and method
Rapid-construction framework, especially of steel, as support st
Reduced friction coupling for shoring apparatus
Reinforced concrete panels and building constructed therewith
Reinforced concrete panels with improved welded joint
Reinforced masonry construction
Relocatable concrete armory vault
Removable support for concrete slab construction and method