TREA

LeRoy O. Nelson

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  • Minnetonka, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Panel retainers
    • Patent number 5,431,210
    • Issue date Jul 11, 1995
    • Media/Graphics, Inc.
    • LeRoy O. Nelson
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display panel accessory
    • Patent number 5,242,241
    • Issue date Sep 7, 1993
    • Media/Graphics, Inc.
    • LeRoy O. Nelson
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Flexible display panel
    • Patent number 4,979,554
    • Issue date Dec 25, 1990
    • Media/Graphics, Inc.
    • LeRoy O. Nelson
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Locking system for display panels
    • Patent number 4,821,788
    • Issue date Apr 18, 1989
    • Media/Graphics, Inc.
    • LeRoy O. Nelson
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS