Patents by Inventor Shea Kellogg

Shea Kellogg 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).

  • Anti-slip ladder shoe adapter
    Patent number: 10017989
    Abstract: An adapter configured to removably affix to an existing shoe of a ladder provides traction on icy and other surfaces exhibiting similar friction coefficients. Each adapter is provided with a serrated bottom surface in a first embodiment or a spiked bottom surface in a second embodiment to provide superior traction.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: July 10, 2018
    Inventor: Shea Kellogg