Patents by Inventor William C. Ballard

William C. 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).

  • Patent number: 11659962
    Abstract: A disposable liner for use with a reusable infant's bathtub. A workable liner may be formed from two parallel flat sheets of plastic film, bonded together around an outside boundary. The liner is disposable in a flat configuration of minimum thickness, and can then be folded to form a space-efficient rectangular package of substantially constant thickness. Certain liners may include a backrest cushion.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: May 30, 2023
    Assignee: Catapult Products, LLC
    Inventors: Daniel B. Blanchard, Dana L. Denton, Marshall T. Denton, William C. Ballard, Mark A. Christensen
  • Publication number: 20210298536
    Abstract: A disposable liner for use with a reusable infant's bathtub. A workable liner may be formed from two parallel flat sheets of plastic film, bonded together around an outside boundary. The liner is disposable in a flat configuration of minimum thickness, and can then be folded to form a space-efficient rectangular package of substantially constant thickness. Certain liners may include a backrest cushion.
    Type: Application
    Filed: March 26, 2021
    Publication date: September 30, 2021
    Inventors: Daniel B. Blanchard, Dana L. Denton, Marshall T. Denton, William C. Ballard, Mark A. Christensen