Patents by Inventor Leo Zatulovsky

Leo Zatulovsky 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).

  • Foldable and lockable walker
    Patent number: 5433235
    Abstract: A foldable and lockable walker is disclosed that includes a pair of locking members provided on the cross-brace and cooperatively engaged to the horizontal portion of the side supports. The locking member receives a spring biased pin to lock the side supports against relative movement with respect to the cross-brace.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: July 18, 1995
    Assignee: Guardian Products, Inc.
    Inventors: Zivko Miric, Leo Zatulovsky, Cuong Bui
  • Orthopedic crutch with adjustable hand grip
    Patent number: 5299589
    Abstract: Described is an orthopedic crutch with an adjustable hand grip that can slide along the vertical supports and be fixed to the supports at different vertical elevations to accommodate the user.
    Type: Grant
    Filed: May 12, 1992
    Date of Patent: April 5, 1994
    Assignee: Guardian Products, Inc.
    Inventor: Leo Zatulovsky