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Patents Grantslast 30 patents

  • Information Patent Grant

    Barrel for rock breaking tool and method of use
    • Patent number 4,900,092
    • Issue date Feb 13, 1990
    • Boutade Worldwide Investments NV
    • Hermanus Q. Van der Westhuizen
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Mat for use with rock breaking tool
    • Patent number 4,829,900
    • Issue date May 16, 1989
    • Boutade Worldwide Investments NV
    • Hermanus Q. Van der Westhuizen
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Inhaler device
    • Patent number 4,676,237
    • Issue date Jun 30, 1987
    • Boutade Worldwide Investments NV
    • John D. Wood
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

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