Patents by Inventor Karen W. Littleton

Karen W. Littleton 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).

  • One piece, non-welded holdown
    Patent number: 4665672
    Abstract: A sheet metal wood-to-concrete structural holdown connector for joining a wood horizontal or upstanding frame member to a concrete foundation formed from a single piece of sheetmetal. The holdown includes a seat member formed with a bolt opening, side members and back members formed with one or more openings. At least two of the back openings are in registration for receipt of a bolt therethrough. A metal washer is attached to the seat member and is formed with an opening in registration with the seat opening.
    Type: Grant
    Filed: March 20, 1985
    Date of Patent: May 19, 1987
    Assignee: Simpson Strong-Tie Company, Inc.
    Inventors: Alfred D. Commins, Tyrell T. Gilb, Karen W. Littleton