Patents by Inventor William Jeffrey Shackelford

William Jeffrey Shackelford 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).

  • Publication number: 20180140120
    Abstract: A tumbler cover designed to work in conjunction with a tumbler lid to the cover prevents debris and insects from flying or crawling onto the lid, makes the lid more spill resistant, and increases thermal efficiency of the tumbler, said cover being made of metallic of non-metallic material and attached to the lid with a connection means or a plurality of magnets.
    Type: Application
    Filed: November 23, 2016
    Publication date: May 24, 2018
    Inventor: William Jeffrey Shackelford