| Patents for G09B 23 - Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes (20,724) |
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| 07/14/1987 | US4680015 Eye and binocular vision demonstrator |
| 07/08/1987 | CN86207443U Mode teaching aid for reflex arc of nervous system |
| 07/08/1987 | CN86202422U Magnetic suspension quide track |
| 07/02/1987 | WO1987003991A1 Electronic construction bricks |
| 06/30/1987 | US4676792 Method and artificial intraocular lens device for the phakic treatment of myopia |
| 06/30/1987 | US4676790 Method of manufacture and implantation of corneal inlays |
| 06/30/1987 | US4676754 Visual aid for teaching linear relationships |
| 06/24/1987 | CN86203796U Universal circuit teaching instrument |
| 06/23/1987 | US4674983 Relation teaching block arrays |
| 06/04/1987 | WO1987003407A1 Trainer for teaching methods of urgent reanimation |
| 06/03/1987 | CN86206350U Optical rotary educational apparatus |
| 06/03/1987 | CN85108336A Differential pressure air-bubble display and light-obstructing trap demonstrating heartbeat type blood circulating demonstrator |
| 06/02/1987 | US4669302 Deflection and topography assessment mechanism anthropomorphically natural |
| 05/27/1987 | CN86201975U Strain type multifunction testing instrument |
| 05/20/1987 | EP0222642A1 Process for making complex shape models, particularly made of foam |
| 05/20/1987 | CN86206443U Universal set square |
| 05/20/1987 | CN86204971U Active solid geometric model |
| 05/20/1987 | CN86202357U Versatile ruler |
| 05/12/1987 | US4664125 Flow-occluding method for the diagnosis of heart conditions |
| 05/05/1987 | US4663711 Method of analyzing fluid saturation using computerized axial tomography |
| 04/28/1987 | US4660562 Multi-event biomedical electrode assembly |
| 04/14/1987 | US4657021 Touch enhancing pad |
| 04/09/1987 | WO1987001930A1 Method of manufacture and implantation of corneal inlays |
| 04/08/1987 | CN86202932U Educational model of female sexual organ |
| 04/07/1987 | US4655716 Breast phantom |
| 04/07/1987 | US4655714 Visual aid for teaching trigonometric functions |
| 03/25/1987 | CN86105078A Apparatus and method of experiment for laser zeeman effect |
| 03/11/1987 | EP0213169A1 Device for teaching treatment of skeleton injuries. |
| 03/11/1987 | CN85204610U Multifunctional static electricity demonstrating instrument |
| 03/10/1987 | US4649561 Test phantom and method of use of same |
| 03/03/1987 | US4646564 Method for testing gas diffusion and apparatus for same |
| 02/24/1987 | US4646334 Radiographic test phantom for computed tomographic lung nodule analysis |
| 02/17/1987 | US4643683 ECO set didactic blocks/cubes |
| 02/10/1987 | US4642055 Hemodynamic monitoring trainer |
| 02/03/1987 | US4640686 Audible signal autoinjector training device |
| 01/31/1987 | CN85102787A Circuit teaching device with cards and socket connecting units |
| 01/29/1987 | WO1987000668A1 Educational visual aid particularly for demonstration in solid geometry |
| 01/27/1987 | US4639223 Simulated heart display system |
| 01/24/1987 | CN86102366A Portable slit flow spectrum displaying instrument based on electrochemical process |
| 01/20/1987 | US4638502 Anthropomorphic phantoms |
| 01/10/1987 | EP0120937A4 Osmotic device for various physiological applications. |
| 01/07/1987 | CN86203739U Scale with charts for mathematics teaching and studying of middle school |
| 12/30/1986 | EP0206601A1 Propulsion apparatus for displaying a model |
| 12/03/1986 | EP0203772A1 Interactive teaching apparatus |
| 11/26/1986 | EP0202779A1 Deflection and topography assessment mechanism anthropomorphically natural |
| 11/25/1986 | US4624642 Vertebrae demonstration apparatus |
| 11/18/1986 | US4623312 Changeable modular training system to provide instruction for installing, servicing, troubleshooting and operating electromechanical control systems |
| 11/11/1986 | US4622014 Three-dimensional model of molecular structure |
| 10/29/1986 | EP0199549A2 Touch enhancing pad |
| 10/29/1986 | CN85103479A Harmonometer |
| 10/28/1986 | US4619617 Teaching aid for CPR |
| 10/28/1986 | US4619265 Interactive portable defibrillator including ECG detection circuit |
| 10/08/1986 | EP0196636A2 A teaching and demonstrating apparatus for electrical circuits |
| 09/30/1986 | US4614499 Simulator for use as a neurosurgical aid in determining potential paths for the implantation of probes through the human body |
| 09/24/1986 | EP0195718A1 Artificial skull, prosthetic head built up from the skull and process for producing them |
| 09/23/1986 | US4613819 Nuclear magnetic resonance imaging apparatus |
| 09/23/1986 | US4613330 Macromolecular complex |
| 09/16/1986 | US4611998 Simulator for teaching neonatal resuscitation |
| 09/09/1986 | US4610254 Interactive portable defibrillator |
| 08/19/1986 | US4606725 Logic training board assembly |
| 08/14/1986 | WO1986004711A1 Device for teaching treatment of skeleton injuries |
| 08/12/1986 | US4605536 Cuvette for projection display of chemical experiments |
| 08/12/1986 | US4605373 Training device for setting broken limbs |
| 08/06/1986 | EP0189660A2 Method of making a rock-pore micromodel |
| 08/05/1986 | US4603495 Alphanumeric display modules |
| 07/30/1986 | CN85203039U 压强演示器 Pressure Demonstrator |
| 07/30/1986 | CN85108734A Apparatus for use in teaching mathematics |
| 07/22/1986 | US4602173 Generator utilizing the magnetic flux lines of the earth |
| 07/22/1986 | US4601665 Cardiac training mannikin |
| 07/22/1986 | US4601664 Temporomandibular joint articulator and dental manikin incorporating it |
| 07/15/1986 | US4600301 Spinning disk calibration method and apparatus for laser Doppler velocimeter |
| 07/09/1986 | EP0186713A1 Resuscitation assistive timer |
| 07/02/1986 | CN85201035U Vibration composition gauge for teaching |
| 07/01/1986 | USH76 Instructional polariscope |
| 06/24/1986 | US4596528 Simulated skin and method |
| 06/17/1986 | US4595369 Educational and amusement device |
| 06/17/1986 | CA1206049A1 Osmotic device for physiological applications |
| 06/11/1986 | EP0184545A1 Method for testing gas diffusion and apparatus for same |
| 06/11/1986 | EP0184205A2 Procedure for obtaining electronic circuits and device for putting into practice |
| 06/11/1986 | CN85204136U Chemical balance shifting display |
| 06/10/1986 | CA1205913A1 Simulator system for interactive simulation of complex dynamic systems |
| 06/04/1986 | EP0183462A2 Cardiopulmonary resuscitation prompting apparatus and method |
| 06/03/1986 | US4592364 Apparatus for the diagnosis of heart conditions |
| 05/28/1986 | EP0182525A1 Apparatus for use in teaching mathematics |
| 05/28/1986 | EP0181992A1 Prosthesis joint component for teaching, research and demonstration |
| 05/20/1986 | US4589849 Dexterity evaluation apparatus |
| 05/14/1986 | EP0180800A2 Sun simulator |
| 05/13/1986 | US4588383 Interactive synthetic speech CPR trainer/prompter and method of use |
| 04/30/1986 | CN85203365U Organic glass device for hydrostatic test |
| 04/22/1986 | US4583524 Cardiopulmonary resuscitation prompting |
| 04/02/1986 | EP0175960A1 Tetrahedral codon stereo-table |
| 03/18/1986 | CA1201889A1 Taxidermy mannikin mold and molding method |
| 03/12/1986 | CN85201926U Buoyant force analysis meter |
| 03/11/1986 | US4575351 Training doll |
| 03/05/1986 | CN85201822U Demonstrator for demonstrating the parallelogram law of vector |
| 02/18/1986 | US4571191 Funnel teaching method and apparatus |
| 02/05/1986 | CN85201093U Photoelectric effect demonstration appliance |
| 02/05/1986 | CN85201071U Instrument for measuring gravitational acceleration |
| 01/29/1986 | EP0169776A1 System to simulate the modelling or the massage of a human body or of a part thereof |
| 01/29/1986 | CN85200559U Manifold demonstration model used for solid geometry |