Patents by Inventor Roger DeSalvo McKenna

Roger DeSalvo McKenna 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).

  • Direction control device for endotracheal tube
    Patent number: 4063561
    Abstract: An endotracheal intubation device is disclosed for manipulating the lower end of an endotracheal tube into the trachea or windpipe by magnetically displacing the tip of the tube to direct it towards the trachea as the tube is lowered down a patient's throat.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: December 20, 1977
    Assignee: The Signal Companies, Inc.
    Inventor: Roger DeSalvo McKenna