involving removable or interchangeable coding numbers

Patents Grantslast 30 patents

  • Information Patent Grant

    Long-term offline management of cryptographic parameters

    • Patent number 11,663,589
    • Issue date May 30, 2023
    • NGRAVE NV
    • Edouard Vanham
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3711645

    • Patent number 3,711,645
    • Issue date Jan 16, 1973
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3485948

    • Patent number 3,485,948
    • Issue date Dec 23, 1969
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3358123

    • Patent number 3,358,123
    • Issue date Dec 12, 1967
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3319000

    • Patent number 3,319,000
    • Issue date May 9, 1967
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3291908

    • Patent number 3,291,908
    • Issue date Dec 13, 1966
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3226844

    • Patent number 3,226,844
    • Issue date Jan 4, 1966
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3214518

    • Patent number 3,214,518
    • Issue date Oct 26, 1965
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3185765

    • Patent number 3,185,765
    • Issue date May 25, 1965
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3026371

    • Patent number 3,026,371
    • Issue date Mar 20, 1962
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2981794

    • Patent number 2,981,794
    • Issue date Apr 25, 1961
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2975530

    • Patent number 2,975,530
    • Issue date Mar 21, 1961
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2424998

    • Patent number 2,424,998
    • Issue date Aug 5, 1947
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2405571

    • Patent number 2,405,571
    • Issue date Aug 13, 1946
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2265715

    • Patent number 2,265,715
    • Issue date Dec 9, 1941
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2265120

    • Patent number 2,265,120
    • Issue date Dec 2, 1941
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2232575

    • Patent number 2,232,575
    • Issue date Feb 18, 1941
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2028772

    • Patent number 2,028,772
    • Issue date Jan 28, 1936
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS