TREA

Michael Sivetz

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  • Corvallis, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for keeping roast coffee bean freshness
    • Patent number 6,514,552
    • Issue date Feb 4, 2003
    • Michael Sivetz
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Coffee roasting system
    • Patent number 3,964,175
    • Issue date Jun 22, 1976
    • Michael Sivetz
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES