Patents Represented by Attorney Louis A. Miller

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  • Marine mine detector
    Patent number: 3943482
    Abstract: A sonar system for detecting and identifying objects laying on or submerged n a sea floor having a dual frequency transmitter and a dual frequency receiver for timely broadcasting and receiving a pair of relatively high and low frequency acoustical signals, respectively, in accordance with a predetermined timing program which facilitates the display and interpretation thereof.
    Type: Grant
    Filed: October 3, 1967
    Date of Patent: March 9, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Francis J. Murphree, Henry L. Warner, Edward G. McLeroy, Jr.