Apparatus and method for diagnostic entry

Apparatus and process for photographically duplicating intellige

Apparatus for inhibiting copying of confidential documents

Apparatus for lifting an electrostatically charged flexible reco

Apparatus for making a color selection mask for a color cathode

Chromium oxide photomask material and the production thereof

Cleaning device for a corona discharger

Color display tube, method of manufacturing such a display tube

Confidential document reproduction method and apparatus

Controlled authentic document recognition equipment

Copy indicator for a document

Copy paper separating method for use in electrophotographic copy

Copying apparatus having an original feeding mechanism

Copying machine fire snuffer

Disconnectable, remountable, connection system for a document tr

Feed roll cleaner for cleaning and renewing the frictional feedi

Finisher mode switching

Graphic aid and method and system of making reproductions theref

Heat regulator for the fusing device in an electrostatic copier

Manufacture of multi-layer structures