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3. PATENTS (Tables)
12 Months Ended
Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of patents

Patents consist of the following:

 

    March 31, 2018     March 31, 2017  
Patents   $ 211,645     $ 211,645  
Accumulated amortization     (135,813 )     (126,649 )
    $ 75,832     $ 84,996