Patents by Inventor Kenneth R. Self

Kenneth R. Self 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: 4251178
    Abstract: A cart for use in transporting and demonstrating business machines and the like, the cart comprising a wheel section and a handle section each having spaced apart pairs of track forming frame members along which a carriage for mounting a business machine is adapted to travel from a transport position in which the carriage lies adjacent the lower end of the wheel section to a demonstration position adjacent the upper end of the handle section which is curved to permit the upper end of the handle section to be seated on the top of a desk, the handle section mounting spring assist means in the form of a spiral spring the end of which is operatively connected to the carriage to counterbalance the weight of the business machine as the cart is moved from one position to the other, the cart having a detachable support leg which, in its position of use, converts the cart into a free-standing demonstration stand, a trunk loading attachment also being provided, the attachment comprising a track forming frame extension
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: February 17, 1981
    Assignee: Ferno-Washington, Inc.
    Inventors: Elroy E. Bourgraf, Robert E. Dunn, Kenneth R. Self
  • Patent number: 4037871
    Abstract: An ambulance cot having a base structure which serve as a carrier for a removable stretcher forming a top for the carrier, the carrier base having frame members which form supporting tracks to receive flanged rollers mounted on the stretcher so that the stretcher may be rolled smoothly onto the carrier or removed therefrom, the carrier also mounting locking means for fixedly yet releasably securing the stretcher to the carrier.
    Type: Grant
    Filed: April 23, 1976
    Date of Patent: July 26, 1977
    Assignee: Ferno-Washington, Inc.
    Inventors: Elroy E. Bourgraf, Kenneth R. Self