TREA

Paul N. Sperl

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  • Bloomington, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Panel display system
    • Patent number 6,543,164
    • Issue date Apr 8, 2003
    • Skyline Displays, Inc.
    • Paul N. Sperl
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Panel display system with wire management
    • Patent number 6,536,147
    • Issue date Mar 25, 2003
    • Skyline Displays, Inc.
    • William Funk
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS