Patents by Inventor Lavis A. H. Riddle

Lavis A. H. Riddle 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).

  • Flexible skirt components for air cushion vehicles
    Patent number: RE30694
    Abstract: An inflatable skirting assembly acting as a barrier to the supporting cushion of a gaseous cushion supported vehicle, the skirting assembly being constructed from a single sheet of flexible material suspended from the vehicle to form an unrestrained loop in a vertical cross-section.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: August 4, 1981
    Assignee: Westland Aircraft Limited
    Inventor: Lavis A. H. Riddle