Acoustic energy, real-time spectrum analyzer
Activity book with removable manipulatives
Activity display article with removable manipulatives
Adaptive biofeedback speech tutor toy
Aid and method for remedial reading instruction
Aid for curing or mitigating stammering
Aid for speech therapy and a method of making same
Alpha-blox
Alphabet block books
Alphabet image reading method
Alphabet teaching and learning game and method thereof
Alphabet teaching and learning game and method thereof
Alphabetic device
Apparatus and method for assisting a disabled person to hand wri
Apparatus and method for inputting mandarin phonetic symbols by
Apparatus and method for practicing pronunciation of words by co
Apparatus and method for teaching
Apparatus and method for teaching character
Apparatus and method for teaching reading skills
Apparatus and system for teaching proper letter sizing and...