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Backlit map with interchangeable pictures

Education and demonstration – Means for demonstrating apparatus – product – or surface...
Reexamination Certificate

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Board assembly

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Chalkboard or equivalent means having easily erasable surface
Reexamination Certificate

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Board base apparatus

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Chalkboard or equivalent means having easily erasable surface
Patent

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Book with rotating cut-out portion

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Plaque to selectively align different points on plaque...
Patent

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Bottom mounted air trap device

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Transparent means permitting interior view
Patent

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Breast self-examination facilitator

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Chalkboard or equivalent means having easily erasable surface
Patent

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Building block having opposing male and female hinge elements fo

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Block or like manually manipulatable object having indicia...
Patent

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Bulletin board organizer

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Chalkboard or equivalent means having easily erasable surface
Reexamination Certificate

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Business method and device for marketing automobile fluid...

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Land or water vehicle or component thereof
Reexamination Certificate

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