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Charles J. Darnell

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  • Lithonia, GA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number D323488
    • Issue date Jan 28, 1992
    • National Service Industries, Inc.
    • Charles J. Darnell
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

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    • Patent number D320786
    • Issue date Oct 15, 1991
    • National Service Industries, Inc.
    • Charles J. Darnell
    • D13 - Equipment for production, distribution, or transformation of energy