Patents by Inventor Herbert John Duckett

Herbert John Duckett 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).

  • Construction element
    Patent number: 4055318
    Abstract: A construction element which consists of a length of tube, rod or other rolled or extruded section which has two seatings on its periphery. The seatings are each adapted to hold at a predetermined angle to one another and a predetermined angle to the continuous length of the ends of two strips and to also hold between the strips a screwably connected wedge. The two strips are thereby firmly held into the seatings.
    Type: Grant
    Filed: September 23, 1976
    Date of Patent: October 25, 1977
    Assignee: Tasman Joinery Company Limited
    Inventor: Herbert John Duckett