INVENTION OF NALLA MALLA REDDY – PATENT No. 318141 “LEARNING DEVICE FOR BEGINNERS FOR THOROUGH PRACTICE OF LETTERS OF ALPHABETS BY WRITING IN GROOVES”

1 thought on “INVENTION OF NALLA MALLA REDDY – PATENT No. 318141 “LEARNING DEVICE FOR BEGINNERS FOR THOROUGH PRACTICE OF LETTERS OF ALPHABETS BY WRITING IN GROOVES””

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   Anudeep July 28, 2024Reply

   Its a Great device for children who are ready to start their educational career.