Patents by Inventor Conrad Rosenberg

Conrad Rosenberg 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).

  • Stair tow system and method
    Patent number: 6439544
    Abstract: A device and method to assist a person to walk up a flight of stairs is provided. The device includes a winch that is suitable for mounting at the top of the stairway having a winch cable of sufficient length to provide walking assistance along the length of stairway desired. A winch controller is attached to the winch cable that is adapted for grasping by the person to be assisted. The winch controller may include a switch operable by the hand of the user to selectively cause the winch to operate and provide assistance to the user.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: August 27, 2002
    Inventor: Conrad Rosenberg