TREA

Robert S. Walker

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  • Surrey, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coin validator calibration
    • Patent number 6,311,820
    • Issue date Nov 6, 2001
    • Coin Control Limited
    • Malcolm Reginald Hallas Bell
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Coin validator
    • Patent number 5,609,234
    • Issue date Mar 11, 1997
    • Robert S. Walker
    • G07 - CHECKING-DEVICES