Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Tables)

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Intangible Assets (Tables)
9 Months Ended
Aug. 31, 2012
Intangible Assets [Abstract]  
Schedule of intangible assets
                 
    August 31,     November 30,  
    2012     2011  

Patents and trademarks

  $ 932,896     $ 822,896  

Less: Accumulated amortization

    150,125       149,779  
   

 

 

   

 

 

 

Intangible Assets - Net

  $ 782,771     $ 673,117