Patents by Inventor Derek C Westrum

Derek C Westrum 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).

  • Liner bag for waste and recycling containers
    Patent number: 10710798
    Abstract: A reusable and disposable liner for large waste and recycling containers includes a waterproof or resistant material made of at least two pieces of the material comprising the body and the base. The base is constructed such that there is no seam below an upper edge of the base to allow for leakage of a liquid material.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: July 14, 2020
    Assignee: VANSTRUM, LLC
    Inventors: Derek C Westrum, Brock A. Vander Velden