Control electrodes

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  • H01J13/20
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Patents Grantslast 30 patents

  • Information Patent Grant

    3525895

    • Patent number 3,525,895
    • Issue date Aug 25, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3441773

    • Patent number 3,441,773
    • Issue date Apr 29, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3418511

    • Patent number 3,418,511
    • Issue date Dec 24, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3404301

    • Patent number 3,404,301
    • Issue date Oct 1, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3300574

    • Patent number 3,300,574
    • Issue date Jan 24, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2729761

    • Patent number 2,729,761
    • Issue date Jan 3, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2724786

    • Patent number 2,724,786
    • Issue date Nov 22, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2612613

    • Patent number 2,612,613
    • Issue date Sep 30, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2512373

    • Patent number 2,512,373
    • Issue date Jun 20, 1950
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2490542

    • Patent number 2,490,542
    • Issue date Dec 6, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2386400

    • Patent number 2,386,400
    • Issue date Oct 9, 1945
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2282229

    • Patent number 2,282,229
    • Issue date May 5, 1942
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2265608

    • Patent number 2,265,608
    • Issue date Dec 9, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
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    2214596

    • Patent number 2,214,596
    • Issue date Sep 10, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2196401

    • Patent number 2,196,401
    • Issue date Apr 9, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2184386

    • Patent number 2,184,386
    • Issue date Dec 26, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2154275

    • Patent number 2,154,275
    • Issue date Apr 11, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2151576

    • Patent number 2,151,576
    • Issue date Mar 21, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2095768

    • Patent number 2,095,768
    • Issue date Oct 12, 1937
    • H01 - BASIC ELECTRIC ELEMENTS
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    2085843

    • Patent number 2,085,843
    • Issue date Jul 6, 1937
    • H01 - BASIC ELECTRIC ELEMENTS
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    2056034

    • Patent number 2,056,034
    • Issue date Sep 29, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
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    2037533

    • Patent number 2,037,533
    • Issue date Apr 14, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
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    2024172

    • Patent number 2,024,172
    • Issue date Dec 17, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1947412

    • Patent number 1,947,412
    • Issue date Feb 13, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
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    1943250

    • Patent number 1,943,250
    • Issue date Jan 9, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1943242

    • Patent number 1,943,242
    • Issue date Jan 9, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
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    1933859

    • Patent number 1,933,859
    • Issue date Nov 7, 1933
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1908949

    • Patent number 1,908,949
    • Issue date May 16, 1933
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1901612

    • Patent number 1,901,612
    • Issue date Mar 14, 1933
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1895944

    • Patent number 1,895,944
    • Issue date Jan 31, 1933
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents