TREA

James G. C. Smith

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  • HIgh Wycombe, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Marking diamond
    • Patent number 6,187,213
    • Issue date Feb 13, 2001
    • Gersan Establishment
    • James Gordon Charters Smith
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    Examining a diamond
    • Patent number 6,014,208
    • Issue date Jan 11, 2000
    • Gersan Establishment
    • Christopher Mark Welbourn
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Examining a diamond
    • Patent number 5,883,388
    • Issue date Mar 16, 1999
    • Gersan Establishment
    • Martin Phillip Smith
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Examining a diamond
    • Patent number 5,880,504
    • Issue date Mar 9, 1999
    • Gersan Establishment
    • Martin Phillip Smith
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method and an apparatus for testing whether a diamond has a layer o...
    • Patent number 5,811,824
    • Issue date Sep 22, 1998
    • Gersan Establishment
    • Martin Phillip Smith
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Detecting diamonds in a rock sample
    • Patent number 5,603,414
    • Issue date Feb 18, 1997
    • Gersan Establishment
    • Marie-Line Rooney
    • G01 - MEASURING TESTING