Patents by Inventor David E. Heckendorn

David E. Heckendorn 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: 4444183
    Abstract: A compartment, adapted to receive the head of a patient therein, which includes means for receiving a supply of oxygen or similar gas therein, the geometry being such that a continuous supply of such gas is provided adjacent the patient's face.
    Type: Grant
    Filed: December 4, 1981
    Date of Patent: April 24, 1984
    Inventor: David E. Heckendorn