TREA

Siegfried Rohmann

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  • Wiesbaden, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Processes and device for dosing free-flowing media
    • Patent number 5,031,805
    • Issue date Jul 16, 1991
    • Westofen GmbH
    • Siegfried Rohmann
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Ovens
    • Patent number 4,220,319
    • Issue date Sep 2, 1980
    • Westofen GmbH
    • Siegfried Rohmann
    • B22 - CASTING POWDER METALLURGY