TREA

Norbert Schaaf

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  • Wiesbaden, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Infrared detector
    • Patent number 4,755,674
    • Issue date Jul 5, 1988
    • Heimann GmbH
    • Norbert Schaaf
    • G08 - SIGNALLING
  • Information Patent Grant

    Infrared motion alarm
    • Patent number 4,752,769
    • Issue date Jun 21, 1988
    • Heimann GmbH
    • Gerhard Knaup
    • G08 - SIGNALLING
  • Information Patent Grant

    Contactless conductance potentiometer
    • Patent number 4,283,702
    • Issue date Aug 11, 1981
    • Heimann GmbH
    • Juergen Meyer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    A contactless resistance potentiometer
    • Patent number 4,276,534
    • Issue date Jun 30, 1981
    • Heimann GmbH
    • Juergen Meyer
    • H01 - BASIC ELECTRIC ELEMENTS