Patents by Inventor Maxine Ratliff

Maxine Ratliff 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).

  • Hi-rise walker
    Patent number: 9566207
    Abstract: A walker assists a user to walk, sit down, and stand up from a sitting position. The walker includes a set of side frames, a connection bar, and a set of arm rests. The walker also includes a brake assembly for wheel assembly connected to front portion of both side frames to prevent any movement of the walker as the user attempts to achieve an upright position.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: February 14, 2017
    Inventor: Maxine Ratliff