Patents by Inventor Steven F. Hilliard

Steven F. Hilliard 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: 4422658
    Abstract: A wheeled carrier (10) which includes a substantially planar back frame (20) and a substantially planar base frame (34) which is rotationally coupled to the back frame (20). The base frame (34) extends in a substantially horizontal plane and the back frame (20) may be rotationally displaced from a substantially vertical plane to a substantially horizontal plane. The wheeled carrier (10) further includes a plurality of wheel members (54, 54', 56, 56') which are rotatably coupled to the base frame (34) for rolling the wheeled carrier (10) on a base surface (12). A containment mechanism (62) is provided and is releasably coupled to the back frame (20) and the base frame (34) for preventing a user from falling external to the wheeled carrier (10).
    Type: Grant
    Filed: September 28, 1981
    Date of Patent: December 27, 1983
    Assignee: Roger C. Lam
    Inventor: Steven F. Hilliard