Alphanumeric and graphic symbol writing device for a plotter_

Alternating current energized printing system utilizing a...

Alternative feeding document recirculation

Ambient atmospheric pressure compensation controller for...

Ambipolar electrophotographic plate

Ambipolar photoconductive composition and imaging method

Ambipolar photoreceptor and method

Ambipolar photoreceptor and method

Amorphous selenium coating

Amorphous silicon carbide electroreceptors

Amorphous silicon photoreceptors for electrophotography,...

Amplification of electrographic image patterns developed...

Amplification of electrographic image patterns developed...

An electrostatic toner receptor layer of rubber modified...

An electrostatographic single-pass multiple station printer...

An image-forming device and an image-forming element for use...

An imaging system and process using monoclonal antibodies

An improved pressure roller system and an improved method...

Angled platen cover

Anodic or inverse cathodic photoconductography