TREA

with tubes only

Follow

Industry

  • CPC
  • H03F1/50
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H03Electronic circuits H03FAMPLIFIERS H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements

Current Industry

H03F1/50with tubes only
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Wide band amplifiers
    • Patent number 4,337,439
    • Issue date Jun 29, 1982
    • The Marconi Company Limited
    • Boleslaw M. Sosin
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3591729
    • Patent number 3,591,729
    • Issue date Jul 6, 1971
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3541467
    • Patent number 3,541,467
    • Issue date Nov 17, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3531600
    • Patent number 3,531,600
    • Issue date Sep 29, 1970
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3505603
    • Patent number 3,505,603
    • Issue date Apr 7, 1970
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3487165
    • Patent number 3,487,165
    • Issue date Dec 30, 1969
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3472954
    • Patent number 3,472,954
    • Issue date Oct 14, 1969
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3403351
    • Patent number 3,403,351
    • Issue date Sep 24, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3384810
    • Patent number 3,384,810
    • Issue date May 21, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3334192
    • Patent number 3,334,192
    • Issue date Aug 1, 1967
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3281702
    • Patent number 3,281,702
    • Issue date Oct 25, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3259850
    • Patent number 3,259,850
    • Issue date Jul 5, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3258712
    • Patent number 3,258,712
    • Issue date Jun 28, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3219917
    • Patent number 3,219,917
    • Issue date Nov 23, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3196365
    • Patent number 3,196,365
    • Issue date Jul 20, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3124763
    • Patent number 3,124,763
    • Issue date Mar 10, 1964
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3001147
    • Patent number 3,001,147
    • Issue date Sep 19, 1961
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2989581
    • Patent number 2,989,581
    • Issue date Jun 20, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2988713
    • Patent number 2,988,713
    • Issue date Jun 13, 1961
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2976493
    • Patent number 2,976,493
    • Issue date Mar 21, 1961
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2935695
    • Patent number 2,935,695
    • Issue date May 3, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2935696
    • Patent number 2,935,696
    • Issue date May 3, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2934709
    • Patent number 2,934,709
    • Issue date Apr 26, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2926309
    • Patent number 2,926,309
    • Issue date Feb 23, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2924781
    • Patent number 2,924,781
    • Issue date Feb 9, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2924779
    • Patent number 2,924,779
    • Issue date Feb 9, 1960
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2913539
    • Patent number 2,913,539
    • Issue date Nov 17, 1959
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2901600
    • Patent number 2,901,600
    • Issue date Aug 25, 1959
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2901560
    • Patent number 2,901,560
    • Issue date Aug 25, 1959
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2899508
    • Patent number 2,899,508
    • Issue date Aug 11, 1959
    • H03 - BASIC ELECTRONIC CIRCUITRY