Patents by Inventor David J. McDowell

David J. McDowell 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).

  • Telephone handset and cradle unit
    Patent number: D352282
    Type: Grant
    Filed: February 14, 1992
    Date of Patent: November 8, 1994
    Assignee: Hughes Aircraft Company
    Inventors: Alex Toh, James J. Lorenz, Kenneth A. Bloch, David J. McDowell, William R. Story, Robert P. Mayercheck