TREA

Leif H. Thompson

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  • Philo, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Selenium diet supplement and method of making
    • Patent number 6,319,529
    • Issue date Nov 20, 2001
    • Thompson Animal Systems, Inc.
    • Leif H. Thompson
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Chromium-carboxylic acid feed supplement
    • Patent number 6,139,881
    • Issue date Oct 31, 2000
    • Thompson Animal Systems, Inc.
    • Leif H. Thompson
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Method of contraception
    • Patent number 5,471,997
    • Issue date Dec 5, 1995
    • Leif H. Thompson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE