TREA

Charles B. Derringer

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  • Morgan Hill, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas-permeable membrane
    • Patent number 7,329,452
    • Issue date Feb 12, 2008
    • Apio, Inc.
    • Raymond Clarke
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Gas-permeable membrane
    • Publication number 20080184683
    • Publication date Aug 7, 2008
    • Raymond Clarke
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Gas-permeable membrane
    • Publication number 20040131810
    • Publication date Jul 8, 2004
    • Raymond Clarke
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...