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  • H01J29/14
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HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00

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H01J29/14acting by discoloration
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cathodochromic CRT erasure and tube set up method
    • Patent number 4,698,684
    • Issue date Oct 6, 1987
    • Hilliard-Lyons Patent Management, Inc.
    • Lee T. Todd
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical information storage system
    • Patent number 3,982,151
    • Issue date Sep 21, 1976
    • Corning Glass Works
    • Bruno F. Ludovici
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Method of producing photochromic sodalite crystals
    • Patent number 3,964,984
    • Issue date Jun 22, 1976
    • Shavkat Vakhidov
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Cathodochromic CRT projection display
    • Patent number 3,959,584
    • Issue date May 25, 1976
    • Massachusetts Institute of Technology
    • Lee T. Todd
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Cathodochromic sodalite
    • Patent number 3,931,042
    • Issue date Jan 6, 1976
    • U.S. Philips Corporation
    • Roelof Egbert Schuil
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3911315
    • Patent number 3,911,315
    • Issue date Oct 7, 1975
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3816786
    • Patent number 3,816,786
    • Issue date Jun 11, 1974
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3796907
    • Patent number 3,796,907
    • Issue date Mar 12, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3795531
    • Patent number 3,795,531
    • Issue date Mar 5, 1974
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    3774173
    • Patent number 3,774,173
    • Issue date Nov 20, 1973
    • G02 - OPTICS
  • Information Patent Grant

    3773540
    • Patent number 3,773,540
    • Issue date Nov 20, 1973
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3761159
    • Patent number 3,761,159
    • Issue date Sep 25, 1973
    • G02 - OPTICS
  • Information Patent Grant

    3744877
    • Patent number 3,744,877
    • Issue date Jul 10, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3737700
    • Patent number 3,737,700
    • Issue date Jun 5, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3736461
    • Patent number 3,736,461
    • Issue date May 29, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3734597
    • Patent number 3,734,597
    • Issue date May 22, 1973
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3715150
    • Patent number 3,715,150
    • Issue date Feb 6, 1973
    • G02 - OPTICS
  • Information Patent Grant

    3715619
    • Patent number 3,715,619
    • Issue date Feb 6, 1973
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3706845
    • Patent number 3,706,845
    • Issue date Dec 19, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3705323
    • Patent number 3,705,323
    • Issue date Dec 5, 1972
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3703660
    • Patent number 3,703,660
    • Issue date Nov 21, 1972
    • G02 - OPTICS
  • Information Patent Grant

    3700791
    • Patent number 3,700,791
    • Issue date Oct 24, 1972
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3700804
    • Patent number 3,700,804
    • Issue date Oct 24, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3683358
    • Patent number 3,683,358
    • Issue date Aug 8, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3657709
    • Patent number 3,657,709
    • Issue date Apr 18, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3647959
    • Patent number 3,647,959
    • Issue date Mar 7, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3626388
    • Patent number 3,626,388
    • Issue date Dec 7, 1971
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3600060
    • Patent number 3,600,060
    • Issue date Aug 17, 1971
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3598750
    • Patent number 3,598,750
    • Issue date Aug 10, 1971
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3592528
    • Patent number 3,592,528
    • Issue date Jul 13, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents