having adjustable armature

Industry

  • CPC
  • H02K23/48
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Patents Grantslast 30 patents

  • Information Patent Grant

    3648090

    • Patent number 3,648,090
    • Issue date Mar 7, 1972
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1557213

    • Patent number 1,557,213
    • Issue date Oct 13, 1925
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents