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Claude D. Johnson

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  • Arden, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 4,229,813
    • Issue date Oct 21, 1980
    • Akzona Incorporated
    • Robert L. Lilly
    • G04 - HOROLOGY
  • Information Patent Grant

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    • Patent number 4,191,125
    • Issue date Mar 4, 1980
    • Akzona Incorporated
    • Claude D. Johnson
    • G01 - MEASURING TESTING