TREA

Photographic printing and recording

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Industry

  • CPC
  • H04L13/184
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Parent Industries

HELECTRICITY H04Electric communication H04LTRANSMISSION OF DIGITAL INFORMATION H04L13/00Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00

Current Industry

H04L13/184Photographic printing and recording
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3455217
    • Patent number 3,455,217
    • Issue date Jul 15, 1969
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2732426
    • Patent number 2,732,426
    • Issue date Jan 24, 1956
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2620394
    • Patent number 2,620,394
    • Issue date Dec 2, 1952
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2283383
    • Patent number 2,283,383
    • Issue date May 19, 1942
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2275017
    • Patent number 2,275,017
    • Issue date Mar 3, 1942
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2178989
    • Patent number 2,178,989
    • Issue date Nov 7, 1939
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1819599
    • Patent number 1,819,599
    • Issue date Aug 18, 1931
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1785610
    • Patent number 1,785,610
    • Issue date Dec 16, 1930
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1658680
    • Patent number 1,658,680
    • Issue date Feb 7, 1928
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1632163
    • Patent number 1,632,163
    • Issue date Jun 14, 1927
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1522305
    • Patent number 1,522,305
    • Issue date Jan 6, 1925
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1494347
    • Patent number 1,494,347
    • Issue date May 20, 1924
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1456595
    • Patent number 1,456,595
    • Issue date May 29, 1923
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1406445
    • Patent number 1,406,445
    • Issue date Feb 14, 1922
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents