Roll Type Patents (Class 19/258)
- With releasing means (Class 19/267)
- Signal (Class 19/270)
- Uniform pressure applying to all rolls or plural pairs from a single source (Class 19/271)
- Magnetic, hydraulic, or pneumatic (Class 19/272)
- Applied through stirrup and saddle (Class 19/273)
- Applied through saddle (Class 19/278)
- Spring pressure applying means (Class 19/281)
- Gravity pressure applying means (Class 19/283)
- Saddle, per se (Class 19/284)