Patents by Inventor Wayne Alan Dangerfield

Wayne Alan Dangerfield 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).

  • Floor grate insert assembly
    Patent number: D923758
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: June 29, 2021
    Inventor: Wayne Alan Dangerfield