TREA

David Alan Percival

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  • Hawarden, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device and apparatus for conducting an assay
    • Patent number 6,300,142
    • Issue date Oct 9, 2001
    • Provalis Diagnostics LTD
    • David Andrewes
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Spectrophotometer
    • Patent number D447713
    • Issue date Sep 11, 2001
    • Provalis Diagnostics Limited
    • Anthony Stevenson
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Sample holder for spectrophotometer
    • Patent number D443539
    • Issue date Jun 12, 2001
    • Provalis Diagnostics Limited
    • Anthony Stevenson
    • D10 - Measuring, testing, or signalling instruments