Patents Represented by Attorney R. J. Erickson

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  • Submarine emergency communication transmitter
    Patent number: 5003515
    Abstract: An underwater acoustic transmitter adapted to be released from a submerged ubmarine to float towards the surface of the water and explode a plurality of signalling charges at a predetermined depth in a predetermined time sequence.
    Type: Grant
    Filed: May 28, 1964
    Date of Patent: March 26, 1991
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Albert S. Will, Frank C. McLean, Sylvan Wolf, Samuel H. Kauffman, John C. Hetzler, Jr., Charles A. Lewis, George E. Maxim