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  • CPC
  • H05B31/04
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Patents Grantslast 30 patents

  • Information Patent Grant

    2594242

    • Patent number 2,594,242
    • Issue date Apr 22, 1952
    • F21 - LIGHTING
  • Information Patent Grant

    2305757

    • Patent number 2,305,757
    • Issue date Dec 22, 1942
    • F21 - LIGHTING
  • Information Patent Grant

    2186063

    • Patent number 2,186,063
    • Issue date Jan 9, 1940
    • F21 - LIGHTING
  • Information Patent Grant

    2029251

    • Patent number 2,029,251
    • Issue date Jan 28, 1936
    • F21 - LIGHTING
  • Information Patent Grant

    1641301

    • Patent number 1,641,301
    • Issue date Sep 6, 1927
    • F21 - LIGHTING
  • Information Patent Grant

    1622392

    • Patent number 1,622,392
    • Issue date Mar 29, 1927
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    1392497

    • Patent number 1,392,497
    • Issue date Oct 4, 1921
    • F21 - LIGHTING

Patents Applicationslast 30 patents