TREA

using disc-shaped boards

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  • G09B15/007
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GPHYSICS G09Cryptography, education, displays G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE MODELS PLANETARIA GLOBES MAPS DIAGRAMS G09B15/00Teaching music

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G09B15/007using disc-shaped boards
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Music learning aid
    • Patent number 11,551,649
    • Issue date Jan 10, 2023
    • Timothy Andrew Collings
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Piano cards music theory teaching method and apparatus
    • Patent number 10,121,387
    • Issue date Nov 6, 2018
    • James Craig
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Method of and means for producing musical note relationships
    • Patent number 5,741,990
    • Issue date Apr 21, 1998
    • Notepool, Ltd.
    • Peter Max Crofts Davies
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Music education aid
    • Patent number 5,709,552
    • Issue date Jan 20, 1998
    • Ulyesse J. LeGrange
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Method of and means for producing musical note relationships
    • Patent number 5,415,071
    • Issue date May 16, 1995
    • Peter M. Davies
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Chord key calculator assembly
    • Patent number 4,961,362
    • Issue date Oct 9, 1990
    • David Gunn
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Harmonic conversion wheel
    • Patent number 4,305,323
    • Issue date Dec 15, 1981
    • Bruce L. Graham
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Music teaching machine
    • Patent number 4,108,042
    • Issue date Aug 22, 1978
    • Harry Blau
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Music magic circular calculator
    • Patent number 4,074,607
    • Issue date Feb 21, 1978
    • Charles Stephen Bond
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Music learning device
    • Patent number 4,069,736
    • Issue date Jan 24, 1978
    • Toshio Amemiya
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Musical chord and note calculator
    • Patent number 4,037,518
    • Issue date Jul 26, 1977
    • Felix Hector Garcia Lorenzen
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Chord progression selector
    • Patent number 4,002,097
    • Issue date Jan 11, 1977
    • Verna M. Leonard
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Devices for selective display of information
    • Patent number 3,969,973
    • Issue date Jul 20, 1976
    • George Pandapas
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Music teaching device
    • Patent number 3,960,046
    • Issue date Jun 1, 1976
    • Alan Chong Seong Choong
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3908506
    • Patent number 3,908,506
    • Issue date Sep 30, 1975
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3728932
    • Patent number 3,728,932
    • Issue date Apr 24, 1973
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3727511
    • Patent number 3,727,511
    • Issue date Apr 17, 1973
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3592099
    • Patent number 3,592,099
    • Issue date Jul 13, 1971
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3572205
    • Patent number 3,572,205
    • Issue date Mar 23, 1971
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1467032
    • Patent number 1,467,032
    • Issue date Sep 4, 1923
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    1214380
    • Patent number 1,214,380
    • Issue date Jan 30, 1917
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    954436
    • Patent number 954,436
    • Issue date Apr 12, 1910
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    886037
    • Patent number 886,037
    • Issue date Apr 28, 1908
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    854572
    • Patent number 854,572
    • Issue date May 21, 1907
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    763870
    • Patent number 763,870
    • Issue date Jun 28, 1904
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    714316
    • Patent number 714,316
    • Issue date Nov 25, 1902
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    550161
    • Patent number 550,161
    • Issue date Nov 19, 1895
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    490509
    • Patent number 490,509
    • Issue date Jan 24, 1893
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    428806
    • Patent number 428,806
    • Issue date May 27, 1890
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    359829
    • Patent number 359,829
    • Issue date Mar 22, 1887
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    MUSIC LEARNING AID
    • Publication number 20220108672
    • Publication date Apr 7, 2022
    • Timothy Andrew Collings
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS