TREA

Kenneth Ray Watkins

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  • Wheaton, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure coating of mineral fillers
    • Patent number 4,520,073
    • Issue date May 28, 1985
    • USG Corporation
    • Donald A. Randolph
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Free-flowing granular urea nutrient supplements
    • Patent number 4,283,423
    • Issue date Aug 11, 1981
    • United States Gypsum Company
    • Kenneth R. Watkins
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Fortified gypsum granule
    • Patent number 4,015,972
    • Issue date Apr 5, 1977
    • United States Gypsum Company
    • Kenneth Ray Watkins
    • C05 - FERTILISERS MANUFACTURE THEREOF