TREA

David H. Leifheit

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  • Racine, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Low irritation cleansing bar
    • Patent number 5,691,287
    • Issue date Nov 25, 1997
    • S. C. Johnson & Son, Inc.
    • William A. Villars
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Soft surface cleaning composition and method with hydrogen peroxide
    • Patent number 5,492,540
    • Issue date Feb 20, 1996
    • S. C. Johnson & Son, Inc.
    • David H. Leifheit
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...