LandOfFree - US Patents - Listing for Education and demonstration,Means for demonstrating apparatus, product, or surface...

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

Board assembly

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

Board base apparatus

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

Book with rotating cut-out portion

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

Bottom mounted air trap device

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

Breast self-examination facilitator

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

Building block having opposing male and female hinge elements fo

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

Bulletin board organizer

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

Business method and device for marketing automobile fluid...

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Display panel – chart – or graph

Card holding teaching device

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

Chalkboard with hinged chalk rail

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

Child's learning chair

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

Child's magic drawing board

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

Classroom instructional tool

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Display panel – chart – or graph

Cloth chart for learning characters

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

Collaborative drawing device

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Display panel – chart – or graph

Collapsible educational chart

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

Collapsible writing board device

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

Color changeable fabric

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

Colored magnetic particles for magnetophoretic display and...