Forms Patents (Class 12/128R)
- Preliminarily adjustable (Class 12/134)
- Separate heel block (Class 12/135R)
- Instep-block fasteners (Class 12/137)
- Heel plates and sockets (Class 12/139)
- Peg receivers (Class 12/140)
- Shoe retainers (Class 12/141)
- With fillers (Class 12/133A)
- With altered surfaces (Class 12/133B)
- With heel fastener receiving means (Class 12/133C)
- Material (Class 12/133M)