Patents by Inventor Karen B. Balzer

Karen B. Balzer 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).

  • Mobile stair system for pets and animals, method of making said mobile stair system
    Patent number: 5592801
    Abstract: This invention relates to a mobile stair system for pets and other small animals, a method of making said mobile stair system, and a method of producing elements of said mobile stair system. Said mobile stair system comprises a number of crossbars, a left side support and a right side support which jointly form a main frame for the mobile stair system. A cord is run through a number of holes in the left side support and in the right side support and through the number of crossbars, forming a number of stairs of the mobile stair system. The method of making the mobile stair system comprises connecting a number of crossbars between a left side support and a right side support to form a main frame, spreading a covering over the number of crossbars of the main frame, and connecting the number of crossbars, the left side support, the right side support and the covering by using a cord such that the covering serves as a number of stairs.
    Type: Grant
    Filed: March 1, 1995
    Date of Patent: January 14, 1997
    Assignee: Vector Equipment-Houston, Inc.
    Inventor: Karen B. Balzer