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Martin David Callis

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  • Letchworth Garden City, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flooring material
    • Patent number 11,821,219
    • Issue date Nov 21, 2023
    • Altro Limited
    • Martin David Callis
    • E04 - BUILDING

Patents Applicationslast 30 patents

  • Information Patent Application

    FLOORING MATERIAL
    • Publication number 20200325691
    • Publication date Oct 15, 2020
    • Altro Limited
    • Martin David Callis
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    ORGANIC MATERIAL
    • Publication number 20190016098
    • Publication date Jan 17, 2019
    • Altro Limited
    • Richard John Peace
    • B32 - LAYERED PRODUCTS