Patents by Inventor Tyrone D. Sawyer

Tyrone D. Sawyer 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).

  • Patent number: 8250936
    Abstract: A device is used to view utilities that have been potholed and covered up due to rain or crew shutdowns. The device includes a cylindrical body which is driven into the ground and has a light so the pipe can be viewed from above ground.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: August 28, 2012
    Inventor: Tyrone D. Sawyer