Patents by Inventor Paul A. Bronson

Paul A. Bronson 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).

  • Esophageal-endotracheal airway
    Patent number: 4327720
    Abstract: The improved esophageal-endotracheal airway comprises an elongated flexible assembly having a shorter outer tube and a longer inner tube. The assembly is adapted to be inserted into the trachea or the esophagus. An expandable member is carried on the outer wall and near the distal end of each tube. The outer wall of the inner tube and the inner wall of the outer tube form an annular channel therebetween.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: May 4, 1982
    Inventors: Paul A. Bronson, Patrick A. Wallace