TREA

wherein one set of answers is common to a plurality of questions

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Industry

  • CPC
  • G09B3/10
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Parent Industries

GPHYSICS G09Cryptography, education, displays G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE MODELS PLANETARIA GLOBES MAPS DIAGRAMS G09B3/00Manually or mechanically operated teaching appliances working with questions and answers

Current Industry

G09B3/10wherein one set of answers is common to a plurality of questions
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for treating male sexual dysfunction by using underpants com...
    • Patent number 11,000,695
    • Issue date May 11, 2021
    • GREEN ENERGY NANO TECHNOLOGY CO., LTD.
    • Tien-Show Liang
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Modular learning device
    • Patent number 10,062,300
    • Issue date Aug 28, 2018
    • Yogesh Rao Suroshi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Educational card system
    • Patent number 6,109,924
    • Issue date Aug 29, 2000
    • Jack G. Sanford
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Educational apparatus
    • Patent number 5,634,799
    • Issue date Jun 3, 1997
    • The South African Mutual Life Assurance Society
    • Frankie A. Opperman
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Educational toy
    • Patent number 4,182,052
    • Issue date Jan 8, 1980
    • Hsing-Ching Liu
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Educational teaching aid
    • Patent number 4,166,326
    • Issue date Sep 4, 1979
    • Chris Schramm
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3710455
    • Patent number 3,710,455
    • Issue date Jan 16, 1973
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2384539
    • Patent number 2,384,539
    • Issue date Sep 11, 1945
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2115740
    • Patent number 2,115,740
    • Issue date May 3, 1938
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2066818
    • Patent number 2,066,818
    • Issue date Jan 5, 1937
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2041758
    • Patent number 2,041,758
    • Issue date May 26, 1936
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1705657
    • Patent number 1,705,657
    • Issue date Mar 19, 1929
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1624450
    • Patent number 1,624,450
    • Issue date Apr 12, 1927
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents