Patents by Inventor Billy Wayne Dean

Billy Wayne Dean 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).

  • Culvert coupler
    Patent number: D782622
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: March 28, 2017
    Inventor: Billy Wayne Dean
  • Culvert coupler
    Patent number: D789498
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: June 13, 2017
    Inventor: Billy Wayne Dean