TREA

Ina Fethke

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  • Greifswald, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compact, energy-saving lamp
    • Patent number 6,489,716
    • Issue date Dec 3, 2002
    • Walter Tews
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Luminescent meta-borate substances
    • Patent number 6,085,971
    • Issue date Jul 11, 2000
    • Tews; Walter
    • Walter Tews
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...