Patents by Inventor Sandra Curtis

Sandra Curtis 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: 5548862
    Abstract: A cleaning utensil includes an elongated handle having proximal and distal ends and a substantially spherical sponge having a cavity for fixedly receiving and retaining the distal portion of the elongated handle. The sponge is formed from material having a first predetermined softness and at least one abrasive scouring element is fixedly attached to a portion of the surface of the spherical sponge. The at least one abrasive scouring element is formed from material having a second predetermined softness where the second predetermined softness is greater in abrasiveness than the first predetermined softness to facilitate cleaning of lightly and heavily soiled areas, respectively.
    Type: Grant
    Filed: September 22, 1995
    Date of Patent: August 27, 1996
    Inventor: Sandra Curtis