TREA

Darrell A. Wiatrowski

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  • Libertyville, IL, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    CONCRETE SLAB LOAD TRANSFER AND CONNECTION APPARATUS
    • Publication number 20230399801
    • Publication date Dec 14, 2023
    • Illinois Tool Works Inc.
    • Darrell A. Wiatrowski
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    JOINT EDGE INSERT
    • Publication number 20230323654
    • Publication date Oct 12, 2023
    • Illinois Tool Works Inc.
    • Darrell A. Wiatrowski
    • E04 - BUILDING
  • Information Patent Application

    CONCRETE SLAB JOINT FORMING SYSTEM AND METHOD
    • Publication number 20230323609
    • Publication date Oct 12, 2023
    • Illinois Tool Works Inc.
    • Darrell A. Wiatrowski
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES