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| 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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| 01/04/1977 | US4000564 Programmable anthropomorphic articulation | | 12/28/1976 | US3999309 Anthropomorphological dummy for studying the behavior of the human body | | 12/14/1976 | US3996675 Instructional birthday cake toy | | 12/07/1976 | US3995380 Visual aid | | 11/30/1976 | US3994077 Taxidermy form | | 11/30/1976 | US3994076 Modular computer teaching device | | 11/30/1976 | US3994075 Dummy for teaching artificial insufflation | | 11/16/1976 | US3991490 Teaching aid for sigmoidoscope and the like | | 10/19/1976 | US3986263 Dental instrument delivery system | | 08/24/1976 | US3975836 Logic learning apparatus | | 08/24/1976 | US3975835 Computer applications trainer | | 08/10/1976 | US3973335 Apparatus to demonstrate air flow through permeable sheet material | | 07/06/1976 | US3967388 Mechanical system for visually determining permitted electron distributions within molecules | | 06/15/1976 | US3962802 Educational device | | 06/15/1976 | US3962801 Vertebral column for an anthropomorphous dummy | | 05/11/1976 | US3955788 Apparatus for positioning and supporting optical laboratory instruments | | 05/11/1976 | US3955291 Demonstrative apparatus having air-cushioned movable disks | | 04/13/1976 | USRE28763 Computer teaching machine | | 04/06/1976 | US3947974 Cardiological manikin auscultation and blood pressure systems | | 04/06/1976 | US3947967 Root canal model for use in practical dental art training | | 03/23/1976 | US3946095 Inserts, foaming, curing, thermosetting plastics | | 03/16/1976 | US3943629 Training machine for intra-oral instrumentation | | 02/24/1976 | US3939581 Organic molecular model assembly | | 01/13/1976 | US3931679 Dental patient simulator |
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