Patents by Inventor Bridget M. A. McDonald

Bridget M. A. McDonald 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: 4071227
    Abstract: A portable, remote controlled hot deseamer apparatus equipped with a nozzle arrangement and an ignition device which is suitable for selective hot deseaming or flame cutting of a workpiece.
    Type: Grant
    Filed: November 13, 1975
    Date of Patent: January 31, 1978
    Assignee: I. P. U. Limited
    Inventor: Bridget M. A. McDonald