Patents by Inventor Maryann Helen Anderson

Maryann Helen Anderson 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 scraper guide
    Patent number: 6523219
    Abstract: A window scraper guide has a base with a first straight edge disposed between an upper surface and an opposing lower surface. A pair of sides extend perpendicularly rearward a first predetermined distance from the first straight edge. The distance between the upper surface and opposing lower surface is a second predetermined distance. A side shield extends upwardly from one side of the pair of sides, and the side shield has a second straight edge aligned with the first straight edge. A handle portion extends at a predetermined angle from the lower surface of the base.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: February 25, 2003
    Inventor: Maryann Helen Anderson