Patents by Inventor Brenda B. Williams

Brenda B. 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).

  • Window de-icer
    Patent number: D824229
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: July 31, 2018
    Inventor: Brenda B. Williams
  • Window de-icer
    Patent number: D840202
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: February 12, 2019
    Inventor: Brenda B. Williams