TREA

Laurance F. Safford

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  • Washington, DC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Control circuits for electric coding machines
    • Patent number 6,175,625
    • Issue date Jan 16, 2001
    • The United States of America as represented by the National Security Agency
    • Laurance F. Safford
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Cryptographic telegraphy programming system
    • Patent number 4,404,426
    • Issue date Sep 13, 1983
    • American Standard Inc.
    • Laurance F. Safford
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Teletypewriter privacy system
    • Patent number 4,332,977
    • Issue date Jun 1, 1982
    • American Standard Inc.
    • Laurance F. Safford
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Synchronous universal binary scrambler
    • Patent number 4,187,392
    • Issue date Feb 5, 1980
    • American Standard Inc.
    • Laurance F. Safford
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Start/stop teleprinter scrambler
    • Patent number 4,168,395
    • Issue date Sep 18, 1979
    • American Standard Inc.
    • Laurance F. Safford
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE