Patents by Inventor Robert F. Wortham

Robert F. Wortham 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: 4259785
    Abstract: A marking template for marking the location on a wall covering of both electrical outlets and electrical switches located in the wall to be covered. The template can be supported by either the single support screw for an outlet trim plate or the two support screws for a switch trim plate. The template comprises a base plate having a central aperture, two tabs thereon for receiving the outlet trim plate support screws, and a pivotable bar for receiving the switch trim plate support screw. Four pins extending from the template mark the wall covering. When the template is used on a switch, the bar is pivoted out of the way of the switch toggle.
    Type: Grant
    Filed: July 17, 1979
    Date of Patent: April 7, 1981
    Inventor: Robert F. Wortham