Patents by Inventor Albert Marshall

Albert Marshall 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).

  • Light emitting diode
    Patent number: 5726465
    Abstract: An light emitting diode of indium gallium aluminum phosphide with a substrate, an electrical contact to the substrate, a dual hetero structure as a active zone comprising a first cladding layer, an active layer and a second cladding layer to which, a window layer is applied, and to which in turn, an electrical contact is applied. This window layer is made of gallium aluminum phosphide.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: March 10, 1998
    Assignee: TEMIC TELEFUNKEN microelectronic GmbH
    Inventors: Jochen Gerner, Klaus Gillessen, Albert Marshall