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Mark F. Stewart

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  • St. Davids, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic scoring target board
    • Patent number 8,764,016
    • Issue date Jul 1, 2014
    • Optima Global Corporation
    • Mark F Stewart
    • F41 - WEAPONS
  • Information Patent Grant

    Automated dart board
    • Patent number 5,613,685
    • Issue date Mar 25, 1997
    • High Flyte International, Ltd.
    • Mark F. Stewart
    • F41 - WEAPONS
  • Information Patent Grant

    Automated dart board
    • Patent number 5,486,007
    • Issue date Jan 23, 1996
    • High Flyte International Ltd.
    • Mark F. Stewart
    • F41 - WEAPONS