Card holding teaching device
Chalkboard with hinged chalk rail
Child's learning chair
Child's magic drawing board
Classroom instructional tool
Cloth chart for learning characters
Collaborative drawing device
Collapsible educational chart
Collapsible writing board device
Color changeable fabric
Colored magnetic particles for magnetophoretic display and...
Combination bulletin/write board
Combined book, flannelboard and hand puppet
Communication test system
Compact interactive training manikin system
Computer aided tactile design
Computer controlled, overhead projector display
Computer enhanced play set and method
Computer-aided interactive career search system
Computer-implemented method of and system for teaching an...