Patents by Inventor Dieter Messner

Dieter Messner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the storage and reproduction of information
    Patent number: 4087828
    Abstract: A process for patterned storage and reproduction of information in which a photoconductive recording material is altered by an electron beam in correspondence with the information, a free charge is applied to the photoconductive recording material and the flowing off of this charge is made visible differing in correspondence with the pattern.
    Type: Grant
    Filed: February 21, 1973
    Date of Patent: May 2, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erwin Lind, Dieter Messner