Patents by Inventor Brian W. Callahan

Brian W. Callahan 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: 4134282
    Abstract: A device for preventing the stealing of a motor vehicle of the type having a steering wheel mounted in front of a panel such as the instrument panel or dashboard of an automobile or motor boat.
    Type: Grant
    Filed: June 30, 1977
    Date of Patent: January 16, 1979
    Inventor: Brian W. Callahan