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Non-electric appliances

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  • CPC
  • G01R13/202
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Parent Industries

GPHYSICS G01Measuring instruments G01RMEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES G01R13/00Arrangements for displaying electric variables or waveforms

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G01R13/202Non-electric appliances
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic instrument with multiple position spring detented handle
    • Patent number 6,140,812
    • Issue date Oct 31, 2000
    • Tektronix, Inc.
    • Brian G. Russell
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oscilloscope casing structure
    • Patent number 5,629,615
    • Issue date May 13, 1997
    • Hitachi Denshi Kabushiki Kaisha
    • Fujio Nita
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method and apparatus for calibrating deflection in an oscilloscope
    • Patent number 4,677,340
    • Issue date Jun 30, 1987
    • Tektronix, Inc.
    • Lawrence J. Miller
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical display apparatus
    • Patent number 4,573,759
    • Issue date Mar 4, 1986
    • Pilkington P.E. Limited
    • David W. Swift
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Lightshielding hood for an electrical instrument
    • Patent number 4,121,303
    • Issue date Oct 24, 1978
    • Lawrence L. Reece
    • A42 - HEADWEAR
  • Information Patent Grant

    Apparatus for use in determining a characteristic of a cathode ray...
    • Patent number 4,021,724
    • Issue date May 3, 1977
    • Elliott Brothers (London) Limited
    • John Rawcliffe
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Color image data recorder
    • Patent number 4,003,058
    • Issue date Jan 11, 1977
    • TRW Inc.
    • Geoffrey S. Entwistle
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Signal recognition apparatus
    • Patent number 3,944,733
    • Issue date Mar 16, 1976
    • Fordyce E. Tuttle
    • G02 - OPTICS
  • Information Patent Grant

    3573813
    • Patent number 3,573,813
    • Issue date Apr 6, 1971
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3564138
    • Patent number 3,564,138
    • Issue date Feb 16, 1971
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3503255
    • Patent number 3,503,255
    • Issue date Mar 31, 1970
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3445765
    • Patent number 3,445,765
    • Issue date May 20, 1969
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3109063
    • Patent number 3,109,063
    • Issue date Oct 29, 1963
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3030443
    • Patent number 3,030,443
    • Issue date Apr 17, 1962
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2936449
    • Patent number 2,936,449
    • Issue date May 10, 1960
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2843844
    • Patent number 2,843,844
    • Issue date Jul 15, 1958
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2793361
    • Patent number 2,793,361
    • Issue date May 21, 1957
    • G02 - OPTICS
  • Information Patent Grant

    2673492
    • Patent number 2,673,492
    • Issue date Mar 30, 1954
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2655836
    • Patent number 2,655,836
    • Issue date Oct 20, 1953
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2446674
    • Patent number 2,446,674
    • Issue date Aug 10, 1948
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2401327
    • Patent number 2,401,327
    • Issue date Jun 4, 1946
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2316550
    • Patent number 2,316,550
    • Issue date Apr 13, 1943
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2251984
    • Patent number 2,251,984
    • Issue date Aug 12, 1941
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents