TREA

Writing recorders

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Industry

  • CPC
  • H04L15/30
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Parent Industries

HELECTRICITY H04Electric communication H04LTRANSMISSION OF DIGITAL INFORMATION H04L15/00Apparatus or local circuits for transmitting or receiving dot-and-dash codes

Current Industry

H04L15/30Writing recorders
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3168740
    • Patent number 3,168,740
    • Issue date Feb 2, 1965
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2973408
    • Patent number 2,973,408
    • Issue date Feb 28, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2843670
    • Patent number 2,843,670
    • Issue date Jul 15, 1958
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2687361
    • Patent number 2,687,361
    • Issue date Aug 24, 1954
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2607654
    • Patent number 2,607,654
    • Issue date Aug 19, 1952
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2506136
    • Patent number 2,506,136
    • Issue date May 2, 1950
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2474049
    • Patent number 2,474,049
    • Issue date Jun 21, 1949
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2462145
    • Patent number 2,462,145
    • Issue date Feb 22, 1949
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    2392876
    • Patent number 2,392,876
    • Issue date Jan 15, 1946
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2391912
    • Patent number 2,391,912
    • Issue date Jan 1, 1946
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2300463
    • Patent number 2,300,463
    • Issue date Nov 3, 1942
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2030909
    • Patent number 2,030,909
    • Issue date Feb 18, 1936
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2021607
    • Patent number 2,021,607
    • Issue date Nov 19, 1935
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1882043
    • Patent number 1,882,043
    • Issue date Oct 11, 1932
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1875063
    • Patent number 1,875,063
    • Issue date Aug 30, 1932
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1858510
    • Patent number 1,858,510
    • Issue date May 17, 1932
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1851298
    • Patent number 1,851,298
    • Issue date Mar 29, 1932
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1809821
    • Patent number 1,809,821
    • Issue date Jun 16, 1931
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1789637
    • Patent number 1,789,637
    • Issue date Jan 20, 1931
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1779664
    • Patent number 1,779,664
    • Issue date Oct 28, 1930
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1766249
    • Patent number 1,766,249
    • Issue date Jun 24, 1930
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1766241
    • Patent number 1,766,241
    • Issue date Jun 24, 1930
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1764830
    • Patent number 1,764,830
    • Issue date Jun 17, 1930
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1718742
    • Patent number 1,718,742
    • Issue date Jun 25, 1929
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1698737
    • Patent number 1,698,737
    • Issue date Jan 15, 1929
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1686293
    • Patent number 1,686,293
    • Issue date Oct 2, 1928
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1682162
    • Patent number 1,682,162
    • Issue date Aug 28, 1928
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1641251
    • Patent number 1,641,251
    • Issue date Sep 6, 1927
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1639839
    • Patent number 1,639,839
    • Issue date Aug 23, 1927
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1635977
    • Patent number 1,635,977
    • Issue date Jul 12, 1927
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents