Aligned mattress spring core
Bed coil spring unit and method of making same
Bedding foundation having snap-in place modular wire springs
Bent wire spring module
Bent wire spring module
Bent wire spring module
Bent wire spring module
Bent wire spring module with lock
Bent wire spring unit
Bent wire spring unit
Bent wire spring unit
Borderwire hinge clip
Box spring assembly
Box spring assembly
Box spring assembly
Box spring assembly using modular coil springs
Box spring assembly with a grid structure formed of both basic a
Box spring assembly with crosswires having integral sinuous end
Box spring assembly with improved corner springs
Box spring assembly with improved spring installation capability