Patents for G09B 19 - Teaching not covered by other main groups of this subclass (16,783)
08/1978
08/15/1978US4106216 Positioning system utilizing binary code
07/1978
07/25/1978US4102543 Bridge scoring device
07/25/1978US4102060 Teaching aid for reading an horological clock
06/1978
06/27/1978US4096647 Learn-to-dress manual
06/27/1978US4096645 Phonetic teaching device
06/27/1978US4096644 Educational aid
06/06/1978US4092786 Educational device
05/1978
05/16/1978US4089124 Arithmetic training apparatus
05/02/1978US4086710 Brain damage testing
04/1978
04/25/1978US4085523 Teaching machine
04/18/1978US4084331 Backgammon teaching device
04/11/1978US4083120 Electronic device for use as a teaching aid
03/1978
03/14/1978US4078318 Math teaching aid
02/1978
02/28/1978US4075771 Toy simulating a calculator
02/28/1978US4075770 Metric system teaching and measuring device
02/21/1978US4074442 Apparatus for teaching and playing contract bridge
01/1978
01/10/1978US4067122 Tutor system
12/1977
12/13/1977US4063035 Device for visually displaying the auditory content of the human voice
11/1977
11/15/1977US4057912 Instrument for facilitating the calculation of equivalent values
10/1977
10/18/1977US4054393 Snap-locking coupler
10/11/1977US4052799 Manually indexed visual test recording apparatus
10/04/1977US4051608 Teaching machine
10/04/1977US4051606 Self-learning apparatus for reading and writing of the Japanese language
10/04/1977US4051605 Competitive educational calculator
09/1977
09/13/1977US4047308 Coaches field analysis kit
08/1977
08/30/1977US4044497 Kit with male and female elements having deformable gripping means
08/23/1977US4043057 Teaching aid
08/23/1977US4043055 Teaching aid for accounting
08/16/1977US4041615 Small-motion test device
08/02/1977US4040048 Display of mathematical equations
07/1977
07/12/1977US4034486 Mathematical beads
06/1977
06/21/1977US4030211 Instructional system for teaching and testing word pronunciation and spelling
05/1977
05/31/1977US4026042 Color toy device
05/24/1977US4024789 Tone analysis system with visual display
05/03/1977US4020567 Method and stuttering therapy apparatus
04/1977
04/26/1977US4019263 Card type language teaching apparatus
04/19/1977US4017984 Shoe tying instructional device
04/05/1977US4016411 Mini electronic calculator with blackboard display format
04/05/1977US4015346 Machine for use in teaching the manner in which a clock indicates time
04/05/1977US4015345 Multiplication learning aid device
03/1977
03/29/1977US4014554 Board game apparatus
03/29/1977US4014549 Blackjack card deck
03/22/1977US4012852 Teaching apparatus
03/08/1977US4010556 Electronic mathematics trainer
03/01/1977US4009522 Device for the teaching and/or training in the game of bridge
02/1977
02/22/1977US4008527 Educational accounting device
02/01/1977US4006345 Scheduling tool
02/01/1977US4006305 Blinker practice light
01/1977
01/25/1977US4005261 Method and apparatus for producing a composite still picture of a moving object in successive positions
12/1976
12/28/1976US3999310 Arithmetic device
12/21/1976US3998234 Animatable musical toothbrush holder
12/07/1976US3995379 Knitting
12/07/1976US3995378 Mathematics visual teaching aid
11/1976
11/23/1976US3992786 Apparatus for sequence training
11/16/1976US3991498 Learning aid
11/16/1976US3991485 Driving test range
10/1976
10/19/1976US3986572 Installation for giving driving instructions
10/05/1976US3983639 Teaching machine
09/1976
09/28/1976US3982331 Educational board game
09/14/1976US3979840 Teaching and measuring box
08/1976
08/31/1976US3977682 Game score reproduction device for indoor board games such as chess and go
08/31/1976US3977092 Teaching machine card
08/24/1976US3975834 Simulated flame torch
08/17/1976US3974575 Teaching machine
07/1976
07/13/1976US3968574 Journalist teaching aid
07/06/1976US3967389 Time telling teaching aid
06/1976
06/29/1976US3966055 Display holder for dental materials
06/22/1976US3964179 Telephone system teaching apparatus
06/15/1976US3962800 Teaching device particularly adapted for the game of blackjack
06/01/1976US3959893 Educational gaming apparatus
05/1976
05/25/1976US3958345 Language instruction device
05/25/1976US3958344 Teaching aid for teaching numbers
05/11/1976US3955289 Educational and display apparatus
04/1976
04/27/1976US3952422 Persistence test apparatus
04/13/1976US3949491 Mathematical teaching aid
04/13/1976US3949488 Educational associativity doll
04/06/1976US3947976 Mathematical problem and number generating systems
04/06/1976US3947975 Educational testing and training device
03/1976
03/30/1976US3946504 Utterance training machine
02/1976
02/24/1976US3939577 Practice board for contract bridge games
02/03/1976US3936885 Training simulator and method for nuclear power plant heater and non-linear modeling
02/03/1976US3935649 Multi-purpose mathematical aid
01/1976
01/27/1976US3934357 Teaching method and apparatus