TREA

Waldemar Doering

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  • Hasselroth, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrical heating element
    • Patent number 7,230,211
    • Issue date Jun 12, 2007
    • Vacuumschmelze GmbH & Co. KG
    • Hartwin Weber
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Maraging type spring steel
    • Patent number 6,793,745
    • Issue date Sep 21, 2004
    • Vacuumschmelze GmbH & Co. KG
    • Hartwin Weber
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    Electrical heating element
    • Publication number 20060065653
    • Publication date Mar 30, 2006
    • Hartwin Weber
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Maraging type spring steel
    • Publication number 20030091458
    • Publication date May 15, 2003
    • Hartwin Weber
    • C21 - METALLURGY OF IRON