Patents by Inventor Rufus Fields

Rufus Fields 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).

  • Patent number: 5730452
    Abstract: A collapsible cart basically for serving food. A ground support assembly includes an axle with a wheel at each end and a caster cross-bar perpendicular to the axle with a caster at each end which provides great stability. Two sets of three parallel vertical bars are pivotally supported from the axle. One set is near the outer end and another set at the other end of the axle. Shelves are supported between the two sets at spaced intervals by pivots on each vertical bar such that each shelf is in a horizontal position throughout the range of rotation of the vertical bar about its pivot.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: March 24, 1998
    Inventor: Rufus Fields