TREA

comprising contact-bearing permutation discs

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Industry

  • CPC
  • G09C1/12
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Parent Industries

GPHYSICS G09Cryptography, education, displays G09CCODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY G09C1/00Apparatus or methods whereby a given sequence of signs

Current Industry

G09C1/12comprising contact-bearing permutation discs
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotors for a ciphering machine
    • Patent number 4,156,314
    • Issue date May 29, 1979
    • Leo Rosen
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3284583
    • Patent number 3,284,583
    • Issue date Nov 8, 1966
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3260804
    • Patent number 3,260,804
    • Issue date Jul 12, 1966
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2934833
    • Patent number 2,934,833
    • Issue date May 3, 1960
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2917579
    • Patent number 2,917,579
    • Issue date Dec 15, 1959
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2860314
    • Patent number 2,860,314
    • Issue date Nov 11, 1958
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2802047
    • Patent number 2,802,047
    • Issue date Aug 6, 1957
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2785224
    • Patent number 2,785,224
    • Issue date Mar 12, 1957
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2777556
    • Patent number 2,777,556
    • Issue date Jan 15, 1957
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2753034
    • Patent number 2,753,034
    • Issue date Jul 3, 1956
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2547515
    • Patent number 2,547,515
    • Issue date Apr 3, 1951
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2529487
    • Patent number 2,529,487
    • Issue date Nov 14, 1950
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2518458
    • Patent number 2,518,458
    • Issue date Aug 15, 1950
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2512734
    • Patent number 2,512,734
    • Issue date Jun 27, 1950
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2407695
    • Patent number 2,407,695
    • Issue date Sep 17, 1946
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2402182
    • Patent number 2,402,182
    • Issue date Jun 18, 1946
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2394765
    • Patent number 2,394,765
    • Issue date Feb 12, 1946
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1953829
    • Patent number 1,953,829
    • Issue date Apr 3, 1934
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1938028
    • Patent number 1,938,028
    • Issue date Dec 5, 1933
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1905593
    • Patent number 1,905,593
    • Issue date Apr 25, 1933
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1705641
    • Patent number 1,705,641
    • Issue date Mar 19, 1929
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1663624
    • Patent number 1,663,624
    • Issue date Mar 27, 1928
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1643546
    • Patent number 1,643,546
    • Issue date Sep 27, 1927
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1584660
    • Patent number 1,584,660
    • Issue date May 11, 1926
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1533252
    • Patent number 1,533,252
    • Issue date Apr 14, 1925
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1502376
    • Patent number 1,502,376
    • Issue date Jul 22, 1924
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1210656
    • Patent number 1,210,656
    • Issue date Jan 2, 1917
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1149428
    • Patent number 1,149,428
    • Issue date Aug 10, 1915
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1111695
    • Patent number 1,111,695
    • Issue date Sep 22, 1914
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1102442
    • Patent number 1,102,442
    • Issue date Jul 7, 1914
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS