Patents by Inventor Walter L. Cranor

Walter L. Cranor 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).

  • Constant concentration delivery device and method for vaporized substances
    Patent number: 6877724
    Abstract: A zero emmission device and method for delivering constant concentration of a vaporized substance allows for the regulated use of chemical or biological substances, such as calibrating, exposure or therapeutic substances.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: April 12, 2005
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Jimmie D. Petty, Walter L. Cranor, James N. Huckins, David A. Alvarez, Gary Robertson