Patents by Inventor Rudolf Usselmann

Rudolf Usselmann 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).

  • Output logic macrocell
    Patent number: 5245226
    Abstract: A macrocell is provided for use in logic circuits which is capable of being configured into any one of six different states so as to replicate an X-type output architecture, an L-type output architecture and a number of hybrid architectures which encompass features from one or both of these types.
    Type: Grant
    Filed: February 25, 1991
    Date of Patent: September 14, 1993
    Assignee: Lattice Semiconductor Corporation
    Inventors: Milton M. Hood, Jr., David L. Rutledge, Kapil Shankar, Rudolf Usselmann