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John J. McErlean

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  • Huntingdon Valley, PA, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    SCAFFOLDING SYSTEM
    • Publication number 20240200344
    • Publication date Jun 20, 2024
    • Gramercy Group Inc.
    • Richard Michael PETERSON
    • E04 - BUILDING
  • Information Patent Application

    Walk-through scaffold and hoist frame
    • Publication number 20060076191
    • Publication date Apr 13, 2006
    • Safway Services, Inc
    • John J. McErlean
    • E04 - BUILDING