Patents by Inventor Hyde W. Ballard

Hyde W. Ballard 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).

  • Method and apparatus for sealing an electrical receptacle
    Patent number: 3970772
    Abstract: A strip of insulating material is applied to an electrical receptacle installed in an electrical outlet box to prevent the passage of air through the outlet box. A backing sheet is adhesively applied to the insulating material to ease installation and insure a tight seal.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: July 20, 1976
    Inventor: Hyde W. Ballard