LandOfFree - US Patents - Listing for Education and demonstration,Mathematics

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Calculation training tool, and calculation training system

Education and demonstration – Mathematics – Arithmetic

Reexamination Certificate

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Card type of electronic learning aid/teaching apparatus

Education and demonstration – Mathematics

Patent

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Child's doll useful for teaching counting, color identification,

Education and demonstration – Mathematics – Arithmetic

Patent

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Childs counting book

Education and demonstration – Mathematics – Arithmetic

Patent

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Circular, piece-matching math educational aid

Education and demonstration – Mathematics – Arithmetic

Patent

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Combination writing board and abacus

Education and demonstration – Mathematics – Arithmetic

Patent

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Computerized system and method for visually based education

Education and demonstration – Mathematics – Arithmetic

Reexamination Certificate

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Computerized system for teaching geometry proofs

Education and demonstration – Mathematics – Arithmetic

Patent

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Conic section activity boards

Education and demonstration – Mathematics – Geometry – trigonometry – or physical mathematic model structure

Reexamination Certificate

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Connector for modeling kits

Education and demonstration – Mathematics – Geometry – trigonometry – or physical mathematic model structure

Patent

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Cuboid block, instructional device for multiplication tables

Education and demonstration – Mathematics – Arithmetic

Patent

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