Patents by Inventor William Vernon Smith

William Vernon Smith 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: 4039142
    Abstract: An electric lead insertion device for feeding an electrical wire under carpeting or the like, the device including a blunt-nosed member having a toboggan-shaped cross section, the electrical lead having one end thereof secured to the member which is then inserted under one end of a carpet. A pointed metal probe is inserted through the carpet into contact with the member to displace the member under the carpet a distance determined by the length of the probe. The member location is manually noted, the probe reinserted and the member displaced an additional distance. The probe is provided with a pivotable handle containing an indicating lamp and a battery source which can be electrically connected to the other end of the electrical lead. With the probe and the member made of electrically conductive material a circuit is completed with the probe contacting the member to indicate its location.
    Type: Grant
    Filed: February 23, 1977
    Date of Patent: August 2, 1977
    Inventor: William Vernon Smith