TREA

Wolfgang Drews

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  • Zarpen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Housing for an adjustable timer
    • Patent number D352008
    • Issue date Nov 1, 1994
    • Draegerwerk AG
    • Wolfgang Drews
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Housing for an oxygen respirator
    • Patent number D347064
    • Issue date May 17, 1994
    • Draegerwerk AG
    • Wolfgang Drews
    • D24 - Medical and laboratory equipment