TREA

with keyboard co-operating with code-bars

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Industry

  • CPC
  • H04L15/12
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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

H04L15/12with keyboard co-operating with code-bars
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3123671
    • Patent number 3,123,671
    • Issue date Mar 3, 1964
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3006997
    • Patent number 3,006,997
    • Issue date Oct 31, 1961
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2810785
    • Patent number 2,810,785
    • Issue date Oct 22, 1957
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2810903
    • Patent number 2,810,903
    • Issue date Oct 22, 1957
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2662112
    • Patent number 2,662,112
    • Issue date Dec 8, 1953
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2404007
    • Patent number 2,404,007
    • Issue date Jul 16, 1946
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2083160
    • Patent number 2,083,160
    • Issue date Jun 8, 1937
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    784393
    • Patent number 784,393
    • Issue date Mar 7, 1905
    • G01 - MEASURING TESTING