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James H. C. Harper

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  • Hudson, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pavement marking tape
    • Patent number 5,981,033
    • Issue date Nov 9, 1999
    • 3M Innovative Properties Company
    • Dale H. Haunschild
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Retroreflective article with non-continuous top coat
    • Patent number 5,759,928
    • Issue date Jun 2, 1998
    • Minneota Mining and Manufacturing Company
    • James H. C. Harper
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES