Patents by Inventor Robert Lea

Robert Lea 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).

  • Stackable and rollable rack
    Patent number: 6601716
    Abstract: A stackable rack having a frame of vertical members and horizontal members, where each vertical member terminates in a foot portion at one end and a top engagement portion at the other end. The foot portion has a flange for accepting a wheel, and an upward tapering sleeve portion surrounded by the flange, the upward tapered section creating an engagement pocket. The top engagement portion of a vertical member is shaped to be insertable and engagable with the engagement pocket, to allow the top engagement end of one rack to be inserted into the engagement pocket of another rack for stacking racks.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: August 5, 2003
    Assignee: Deltak Manufacturing, Inc.
    Inventors: Yates Westley Hayman, Robert Lea