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John Leslie Stevenson

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  • London, EN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical devices
    • Patent number 4,077,699
    • Issue date Mar 7, 1978
    • The Post Office
    • Richard Burnaby Dyott
    • G02 - OPTICS
  • Information Patent Grant

    Optical communications systems
    • Patent number 3,957,343
    • Issue date May 18, 1976
    • The Post Office
    • Richard Burnaby Dyott
    • G02 - OPTICS