| Patents for G09B 23 - Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes (20,724) |
|---|
| 07/01/1980 | US4209919 Model of living body |
| 06/17/1980 | US4207704 Movable sound producing model |
| 06/17/1980 | US4207670 Method for making a solid state neuron |
| 06/17/1980 | CA1079522A1 Device for teaching concepts of numbers and mathematical principles |
| 05/27/1980 | US4204705 Animal track teaching |
| 05/27/1980 | US4204599 Educational kit for solidification of a chemical compound to produce crystal growth |
| 05/20/1980 | US4203231 Dissecting board and process for dissecting a specimen |
| 05/06/1980 | US4200996 Teaching device and method for dental X-ray techniques |
| 05/06/1980 | US4200995 Joint construction for skeletal model |
| 04/29/1980 | US4199876 Device for displaying an improved periodic table of the elements |
| 04/22/1980 | US4198768 Electronics assembly evaluator |
| 04/22/1980 | US4198766 Intravenous training/demonstration aid |
| 04/08/1980 | CA1074993A1 Portable teaching device representing the sky with the stars |
| 04/01/1980 | US4195420 Epistotomy repair model |
| 03/25/1980 | US4194303 Anti-choking manikin |
| 03/11/1980 | US4193064 Multiple pulse timer |
| 03/11/1980 | US4192084 Atomic model |
| 01/22/1980 | US4184271 Molecular model |
| 01/15/1980 | US4183153 Hyperbolic geometry model |
| 01/08/1980 | US4182054 Artificial arm |
| 12/25/1979 | US4180812 Dental treatment apparatus |
| 12/11/1979 | US4177589 Three-dimensional animated facial control |
| 12/04/1979 | US4176469 Wave simulator |
| 11/27/1979 | US4175338 Artificial palate for use in dynamic palatographical speech researches and improvements and method of fabricating the same |
| 11/27/1979 | US4175337 Apparatus for assisting the understanding of electro-cardiography and vector-cardiography |
| 11/13/1979 | CA1066312A1 Balance beam scale |
| 10/30/1979 | CA1065486A1 Device for the determination of the common characteristics of data sets |
| 09/18/1979 | US4167823 Coagulation puzzle for teaching coagulation theory |
| 09/11/1979 | US4167070 Educational lung simulator |
| 09/11/1979 | CA1062010A1 Equipment for the investigation or optimation of the properties and raising methods of organisms |
| 08/21/1979 | CA1060645A1 Model for training artificial insufflation |
| 05/29/1979 | CA1055274A1 Apparatus to demonstrate air flow through permeable sheet material |
| 05/15/1979 | US4154007 Demonstration calculator for classroom use and the like |
| 05/08/1979 | US4152847 Method and device for teaching the comparative measurement of heat flow |
| 03/27/1979 | CA1051194A1 Electronic experimenting kit |
| 03/20/1979 | US4144657 Teaching aid for mathematics and number systems |
| 02/06/1979 | US4137652 Apparatus for verification of the Pythagorean theorem |
| 02/06/1979 | US4137633 Root canal practice model |
| 01/30/1979 | US4136466 Artificial intraocular lens training device |
| 01/23/1979 | CA1046759A1 Breast cancer detection training device |
| 01/16/1979 | US4134218 Breast cancer detection training system |
| 01/02/1979 | CA1045375A1 Apparatus for demonstrating pressure-volume relationships of a gas under pressure |
| 12/12/1978 | CA1044012A1 Apparatus for demonstrating the laws of motion |
| 12/05/1978 | US4127941 Means and graphical method of calculating moments of inertia |
| 11/14/1978 | CA1042202A1 Spectrum producing optical teaching aid |
| 11/07/1978 | CA1041758A1 Compound motion demonstrating device |
| 10/10/1978 | CA1039944A1 Apparatus for demonstrating pressure-volume relationships of a gas under partial vacuum |
| 09/26/1978 | US4115922 Dental crown and bridge shading system |
| 09/12/1978 | US4112593 Apparatus for the use in the construction of electric circuits |
| 09/05/1978 | US4110917 Electronic experimenting kit |
| 08/15/1978 | US4106219 Plastic bone used for training purposes by surgeons |
| 07/25/1978 | US4102047 Dental teaching device |
| 07/11/1978 | US4099340 Chaotic motion generator |
| 07/11/1978 | US4099339 Model for atomic forms |
| 06/27/1978 | US4096645 Phonetic teaching device |
| 06/20/1978 | US4095454 Thermal insulation demonstration device |
| 06/20/1978 | US4095352 Chiropractic training device |
| 06/06/1978 | US4092788 Cardiopulmonary resuscitation teaching aid |
| 05/30/1978 | US4091566 Equipment for the investigation or optimization of the properties and raising methods of organisms |
| 05/30/1978 | US4091550 Automated instructional apparatus and method |
| 05/30/1978 | US4091549 Pacemaker training aid |
| 05/23/1978 | US4090752 Diagnostic electrode assembly |
| 04/18/1978 | US4084432 Method of simulating cavitation by hydraulic testing |
| 03/14/1978 | US4078311 Dental hygiene demonstration apparatus |
| 03/07/1978 | US4077398 Diagnostic electrode assembly |
| 03/07/1978 | US4077397 Diagnostic electrode assembly |
| 02/28/1978 | US4075770 Metric system teaching and measuring device |
| 02/21/1978 | US4074443 Atom demonstrator |
| 02/14/1978 | US4074113 Punched-card programmable analog computer |
| 02/14/1978 | US4073071 Human mouth model for speech therapy |
| 01/17/1978 | US4068392 Interaction and relativity cart |
| 01/10/1978 | US4067109 Dummy head for use in teaching dentistry |
| 11/22/1977 | US4058912 Didactic apparatus |
| 11/22/1977 | US4058910 Apparatus for teaching the structures and projection of arterial systems |
| 09/20/1977 | US4048731 Educational game apparatus |
| 08/23/1977 | US4043559 Educational game |
| 08/16/1977 | US4042050 Balance beam scale |
| 08/16/1977 | US4041617 Apparatus and method for indication and measurement of simulated emotional levels |
| 08/16/1977 | US4041616 Circuit design apparatus |
| 07/26/1977 | USRE29317 Pneumatic lung analog |
| 07/19/1977 | US4035920 Dental teaching device |
| 07/05/1977 | US4033052 Optical teaching aid |
| 06/28/1977 | US4031635 Manipulative chromosomal model |
| 06/21/1977 | US4030210 Method of and means for demonstrating evolution including chance determinations |
| 06/21/1977 | US4030209 Molecular models |
| 06/14/1977 | US4028818 Tracked incline teaching apparatus |
| 05/31/1977 | US4026040 Educational device for learning about inductors |
| 05/31/1977 | US4026039 Educational device for learning basic measurements |
| 05/10/1977 | US4021933 Student-programmable educational instrumentation device |
| 05/03/1977 | US4020566 Molecular models |
| 03/29/1977 | US4014110 Crystal structure model |
| 03/29/1977 | US4014109 Test apparatus for nuclear imaging devices |
| 03/22/1977 | US4012850 Radiographic camera simulator |
| 03/08/1977 | US4010555 Apparatus for demonstrating electrical circuits and components |
| 03/08/1977 | US4010554 Anatomical display device and process for preparing and displaying anatomical organ specimens |
| 02/08/1977 | US4006538 Educational device for learning switching |
| 01/18/1977 | US4003141 Intracranial pressure monitoring device |
| 01/11/1977 | US4001952 Hysteroscopy teaching aid |
| 01/11/1977 | US4001951 Breast cancer detection training device |
| 01/11/1977 | US4001950 Resuscitation training apparatus |