Patents by Inventor Rodney D. Johnston

Rodney D. Johnston 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).

  • Safety cover for an electrical receptacle
    Patent number: 6309239
    Abstract: A safety cover for an electrical receptacle using two half covers, each of which can be slightly compressed to cause projection locks secured into slots in an inner collar about the mounting plate to withdraw thereby releasing each half door. Electrical cords are fed through openings shared by each half cover.
    Type: Grant
    Filed: October 18, 1999
    Date of Patent: October 30, 2001
    Inventor: Rodney D. Johnston