Patents by Inventor Donald Douthwaite

Donald Douthwaite 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).

  • Method of manufacturing components adapted to be mounted on a shaft
    Patent number: 4313249
    Abstract: A method of manufacturing a steering wheel or other component adapted to be mounted on a steering wheel includes the steps of placing an insert on a tapered mandrel and deforming the insert by forcing it on the tapered mandrel and moulding the component about the insert when it is engaged on the mandrel.
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: February 2, 1982
    Assignee: Ford Motor Company
    Inventor: Donald Douthwaite