Patents by Inventor Alsup J. Douglas

Alsup J. Douglas 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).

  • Game adapter cartridge
    Patent number: D372274
    Type: Grant
    Filed: August 23, 1994
    Date of Patent: July 30, 1996
    Assignee: Scientific-Atlanta, Inc.
    Inventors: Alsup J. Douglas, William J. Saunders