TREA

Petro Nicolis

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  • Koln, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Respiratory air filter
    • Patent number 7,101,423
    • Issue date Sep 5, 2006
    • Ulrich Lersch
    • A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Respiratory air filter
    • Publication number 20040144255
    • Publication date Jul 29, 2004
    • Ulrich Lersch
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL