Patents by Inventor Albert Lieb

Albert Lieb 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).

  • Image intensifying device
    Patent number: 4087683
    Abstract: An image intensifying device including a light transmissive photocathode layer, a cathode electrode composed of two annular parts, the smaller of which is electrically connected to the photocathode layer, and an annular insulating part between the two electrode parts, and an anode provided with a fluorescent screen receiving electrons from the photoconductive layer, with the electrode parts being connected together by a high value intermediate resistance and the smaller electrode part being connected to the negative pole of a d.c.
    Type: Grant
    Filed: August 17, 1976
    Date of Patent: May 2, 1978
    Assignee: Licentia Patent-Verwaltungs-G.m.b.H.
    Inventor: Albert Lieb