Patents by Inventor Roy D. Howell

Roy D. Howell 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).

  • Patent number: 3999828
    Abstract: An accessory for bridging the connection between two electrical conductor cords, which acts as a strain reliever and serves to keep the connection engaged.
    Type: Grant
    Filed: May 13, 1975
    Date of Patent: December 28, 1976
    Assignee: Rockwell International Corporation
    Inventor: Roy D. Howell