TREA

Donovan B. True

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  • Oshkosh, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Siphon apparatus
    • Patent number 5,617,891
    • Issue date Apr 8, 1997
    • Donovan B. True
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...