Patents Assigned to Longevity Products, Inc.
  • Respirators
    Patent number: 4226233
    Abstract: A respirator through which a person may breath air or a mixture of air and oxygen, and which vibrates the material passing through the respirator during inhalation and exhalation in such a manner as to vibrate the cilia in the lungs of the person breathing through the respirator. The respirator also embodying a manually operable member for selectively applying positive pressure to the lungs of the person using the same.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: October 7, 1980
    Assignee: Longevity Products, Inc.
    Inventor: Richard W. Kritzer