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David E. Mehaffey

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  • Charlotte, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number D326276
    • Issue date May 19, 1992
    • Porelon, Inc.
    • David E. Mehaffey
    • D18 - Printing and office machinery
  • Information Patent Grant

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    • Patent number D322984
    • Issue date Jan 7, 1992
    • Porelon, Inc.
    • David E. Mehaffey
    • D18 - Printing and office machinery