TREA

the elements being slidable

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  • CPC
  • G09B1/28
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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 G09B1/00Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways

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G09B1/28the elements being slidable
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for the representation of tactile characters
    • Patent number 11,210,960
    • Issue date Dec 28, 2021
    • Technische Universitat Wien
    • Michael Treml
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Learning bracelet
    • Patent number 7,942,674
    • Issue date May 17, 2011
    • Dana Murphy
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Visual educational device for teaching literacy
    • Patent number 6,551,110
    • Issue date Apr 22, 2003
    • Patricia Catherine Hastie
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Teaching aid for developing a child's intelligence
    • Patent number 6,171,110
    • Issue date Jan 9, 2001
    • Yu-Ti Chang
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Visual and manipulative teaching aid for mathematics
    • Patent number 4,915,634
    • Issue date Apr 10, 1990
    • Brenda Hedden
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Information storage device and method
    • Patent number 4,461,497
    • Issue date Jul 24, 1984
    • Charles R. Downey
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Teaching aid
    • Patent number 4,241,522
    • Issue date Dec 30, 1980
    • Raymond C. Jablonski
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Manually assemblable slide chart with integral self-locking tab
    • Patent number 4,090,313
    • Issue date May 23, 1978
    • Henry Clifton Morse
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Teaching aid
    • Patent number 3,969,832
    • Issue date Jul 20, 1976
    • Peter G. Garruto
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3765107
    • Patent number 3,765,107
    • Issue date Oct 16, 1973
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3757433
    • Patent number 3,757,433
    • Issue date Sep 11, 1973
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3583181
    • Patent number 3,583,181
    • Issue date Jun 8, 1971
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    3514876
    • Patent number 3,514,876
    • Issue date Jun 2, 1970
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3477146
    • Patent number 3,477,146
    • Issue date Nov 11, 1969
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3106029
    • Patent number 3,106,029
    • Issue date Oct 8, 1963
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2664648
    • Patent number 2,664,648
    • Issue date Jan 5, 1954
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2629184
    • Patent number 2,629,184
    • Issue date Feb 24, 1953
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2022627
    • Patent number 2,022,627
    • Issue date Nov 26, 1935
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1739988
    • Patent number 1,739,988
    • Issue date Dec 17, 1929
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1678621
    • Patent number 1,678,621
    • Issue date Jul 24, 1928
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1668844
    • Patent number 1,668,844
    • Issue date May 8, 1928
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1607329
    • Patent number 1,607,329
    • Issue date Nov 16, 1926
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1455522
    • Patent number 1,455,522
    • Issue date May 15, 1923
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1028378
    • Patent number 1,028,378
    • Issue date Jun 4, 1912
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    687570
    • Patent number 687,570
    • Issue date Nov 26, 1901
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    248659
    • Patent number 248,659
    • Issue date Oct 25, 1881
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents