TREA

combined with perforating apparatus

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Industry

  • CPC
  • H04L15/10
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

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

Current Industry

H04L15/10combined with perforating apparatus
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2110447
    • Patent number 2,110,447
    • Issue date Mar 8, 1938
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1998946
    • Patent number 1,998,946
    • Issue date Apr 23, 1935
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents