Patents by Inventor Oliver Henry William Williams

Oliver Henry William Williams 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).

  • Filter for breathing mask
    Patent number: D968712
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: November 1, 2022
    Assignee: CLEANSPACE IP PTY LTD
    Inventors: Jonah Beard, John Michael Snow, Oliver Henry William Williams, Dan Kao, Alexander Virr, Damian Charles Johnson