Patents by Inventor Carol Berendsen

Carol Berendsen 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).

  • Layout system for construction foundation placement
    Patent number: 4924579
    Abstract: A method and apparatus for laying out foundations prior to construction. Ideally, two stakes are provided for each corner to be formed in a construction project and line extends from each corner to an adjacent corner. Each stake is configured with a clamping mechanism which allows vertical and horizontal adjustment of the string associated therewith.
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: May 15, 1990
    Inventor: Carol Berendsen