Patents Represented by Attorney Judson P. Hightower

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  • Liquid detection circuit
    Patent number: 4706497
    Abstract: Herein is a circuit which is capable of detecting the presence of liquids, especially cryogenic liquids, and whose sensor will not overheat in a vacuum. The circuit parameters, however, can be adjusted to work with any liquid over a wide range of temperatures.
    Type: Grant
    Filed: April 1, 1986
    Date of Patent: November 17, 1987
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Thomas O. Regan