with means for adjustment of frequency or of make-to-break ratio

Industry

  • CPC
  • H01H50/84
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Patents Grantslast 30 patents

  • Information Patent Grant

    1906027

    • Patent number 1,906,027
    • Issue date Apr 25, 1933
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    VIBRATING NEEDLE ADJUSTMENT DEVICE

    • Publication number 20120130414
    • Publication date May 24, 2012
    • Corlius Fourie Birkill
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE