A perforating blade and signature
A perforating blade and signature
A plate clamper with a handle for releasing a holder
A printed and encoded mass distributable response piece and...
A responsive book system and method therefor
A ring binder
A ring binder
A ring binder
A ring binder mechanism
A ring binder mechanism
A ring binder mechanism
A ring binder mechanism
A ring binder mechanism
A ring binder mechanism
A ring binder mechanism
A ring binder mechanism
A ring binder mechanism
A ring binder mechanism with a sliding hinge plate
A security device
A security document and a method for producing it