Patents Assigned to D. H. Haden Ltd.
  • Patent number: 4943703
    Abstract: Electrical apparatus comprising an appliance, a stand to support the appliance and an electrical connector device which can be selectively coupled mechanically to either the appliance or the stand, by coupling means incorporating a bistable mechanism so that the appliance can be used selectively in a corded manner or a cordless manner.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: July 24, 1990
    Assignee: D. H. Haden Ltd.
    Inventor: Eric Duxbury