Elements Patents (Class 5/254)
- Twin and continuous springs (Class 5/268)
- Helical connectors (Class 5/269)
- Links or clips (Class 5/270)
- Extended coils (Class 5/271)
- Top coil extended and guy (Class 5/272)
- Guy with extended loops (Class 5/273)
- Zigzag guy (Class 5/274)
- Central cross strips and wires (Class 5/275)
- Parallel cross groups (Class 5/276)
- Two and one cross elements (Class 5/277)