|
GB190825647A
|
|
Improvements in and relating to Machines for Copying Documents.
|
|
GB190814742A
|
|
Improvements in and relating to Paper Perforating Devices
|
|
GB190719622A
|
|
Improvements in Copying Machines.
|
|
GB190715800A
|
|
Improvements in and relating to Devices for Filing Papers and the like.
|
|
US869593A
|
|
Copying-machine.
|
|
GB190708482A
|
|
Improvements in Copying Machines
|
|
GB190707978A
|
|
Improvements in Paper Punching Devices.
|
|
GB190610191A
|
|
Improvements in and relating to Letter Files
|
|
GB190526188A
|
|
Improvements in Paper Punching Apparatus.
|
|
GB190524974A
|
|
Improvements in Pocket Books and like Articles.
|
|
GB190408593A
|
|
Improvements in Temporary Binders for Papers.
|
|
US778910A
|
|
Temporary binder.
|
|
GB190213790A
|
|
Improvements in Temporary Binders.
|
|
US744637A
|
|
Paper-cutting device.
|
|
GB190122712A
|
|
Improvements in and connected with Paper Cutting Devices.
|
|
US721338A
|
|
Copying-machine.
|
|
GB190113635A
|
|
Improvements in and connected with Copying Machines.
|
|
GB190101269A
|
|
Improvements in and connected with Paper Punching Machines.
|
|
GB189919519A
|
|
Improvements in Letter-files.
|
|
GB189916945A
|
|
Improvements in and connected with Letter-files.
|
