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    A Grade-Crossing Motorist Warning System

    J. B. Hopkins | NTIS | 1975
    Schlagwörter: Patent applications

    Aircraft Crash Locator Apparatus

    R. Manoli / B. R. Ulrich | NTIS | 1970
    Schlagwörter: Patent applications

    Aircraft Self-Protection Radar

    J. C. Macidull | NTIS | 1981
    Schlagwörter: Patent applications

    Apparatus and Method of Radio Communication from a Submerged Underwater Vehicle

    T. A. O'Connell | NTIS | 1993
    Schlagwörter: Patent applications

    A Railroad Crossing Signalling System

    J. B. Hopkins | NTIS | 1971
    Schlagwörter: Patent applications

    A Tacan Flying Target Control System

    W. W. Cochran | NTIS | 1975
    Schlagwörter: Patent applications

    Automatic Frequency Control System

    C. A. Haleson | NTIS | 1974
    Schlagwörter: Patent applications

    Bow Riding Unmanned Water-Borne Vehicle

    A. A. Ruffa | NTIS | 2009
    Schlagwörter: Patent applications

    Breakaway Connector Patent Application

    L. Katzin | NTIS | 1970
    Schlagwörter: Patent applications

    Catapult Breakaway Load Simulator Circuit

    R. D. Mood / J. P. Hunter / R. D. Burgen | NTIS | 1975
    Schlagwörter: Patent applications