Patents by Inventor Lewis B. Martin

Lewis B. Martin 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).

  • Cleaning brush assembly
    Patent number: 8601631
    Abstract: A cleaning brush assembly is provided for facilitating cleaning of curved surfaces such as the interior of bathtub. The assembly includes a handle and a central housing coupled to a lower end of the handle. A first side housing is pivotally coupled to the central housing. A central brush head is rotatably coupled to and extends downwardly from the central housing. A first side brush head is rotatably coupled to and extends downwardly from the first side housing.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: December 10, 2013
    Inventor: Lewis B. Martin