Patents by Inventor Rosemary K. Balles

Rosemary K. Balles 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: 5131715
    Abstract: An upper and lower "U" shaped framework are secured together utilizing rear leg members and forward leg members extending downwardly from the framework to secure in a telescoping manner leg extensions thereto. The leg extensions utilize roller members at lower terminal ends thereof or alternatively, friction pads to provide stability of the organization when not in use as a walker structure. A tray member is selectively and securably mounted relative to the upper framework.
    Type: Grant
    Filed: March 27, 1991
    Date of Patent: July 21, 1992
    Inventor: Rosemary K. Balles