Patents by Inventor Barry A. Ehrenfried, Sr.

Barry A. Ehrenfried, Sr. 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).

  • Stand for mounting on and orbiting about columnar member
    Patent number: 6793040
    Abstract: A stand includes a track mounted to a columnar member such as a tree trunk. The track substantially or completely encircles the columnar member. A seat is mounted to the track for movement thereon. A platform is mounted to the columnar member beneath the seat. The seat and platform are designed to move in concert with one another about the columnar member by a user sitting on the seat with his feet resting on the platform.
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: September 21, 2004
    Inventor: Barry A. Ehrenfried, Sr.