TREA

Roger Allen Patterson

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  • Wilmington, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Periodically excited level control probe
    • Patent number 4,159,786
    • Issue date Jul 3, 1979
    • E. I. Du Pont de Nemours and Company
    • Nicholas Biddle
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents