Patents Assigned to Conceptual Products, Inc.
  • Respiratory mouthpiece
    Patent number: 4030493
    Abstract: A respiratory mouthpiece for a positive pressure breathing apparatus made as an integral flexible elastomer molding in an oval concave shape having a ridge along the inner periphery to provide a seal against the outer surfaces of the mouth when pressed against the face and an opening in the center of the mouthpiece defined by a tube to fit over a mouthpiece holder of a breathing apparatus.
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: June 21, 1977
    Assignee: Conceptual Products, Inc.
    Inventors: William T. Walters, Marvin D. Parlette, Jr.