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INTANGIBLE ASSETS
 6 Months Ended
Jun. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS

NOTE 4 INTANGIBLE ASSETS

 

Intangible assets consisted of the following:

 

           
   June 30, 2022   December 31, 2021 
Patents  $732,577   $649,969 
Trademark   45,450    45,450 
Less: accumulated amortization   (180,177)   (155,386)
Total, net  $597,850   $540,033 

 

Amortization expense on intangible assets was $24,791 and $19,557 for the six months ended June 30, 2022 and 2021, respectively, and $12,395 and $10,958 for the three months ended June 30, 2022 and 2021, respectively.

 

The following table sets forth the estimated amortization expense for future periods:

 

2022  $25,296 
2023   50,562 
2024   49,605 
2025   49,605 
2026   49,605 
2027 and thereafter   373,177 
Total  $597,850