Patents by Inventor David Howorth

David Howorth 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: 4577448
    Abstract: A floor, useful for ice or roller skating, including a planar surface made up of a plurality of panels and including locating devices positioned over and under adjacent panels to restrict relative movement between the panels.
    Type: Grant
    Filed: June 3, 1982
    Date of Patent: March 25, 1986
    Assignee: The British Picker Company, Ltd.
    Inventor: David Howorth