With Means To Drive Tool Patents (Class 72/429)
- Multiple or staged drive means (Class 72/453.02)
- Utilizing stored energy (Class 72/453.1)
- Pull-down press (Class 72/453.12)
- Including fluid cushion for die opposite to ram (Class 72/453.13)
- With ram or tool support aligning means (Class 72/453.14)
- Randomly manipulated or work-supported tool (Class 72/453.15)
- Having hydraulic or pneumatic return (Class 72/453.18)