Annual report pursuant to Section 13 and 15(d)

PATENTS AND TRADEMARKS

v3.21.1
PATENTS AND TRADEMARKS
12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
PATENTS AND TRADEMARKS

NOTE 5 – PATENTS AND TRADEMARKS


 

 

2020

 

 

2019

 

Patents and trademarks

 

$

301,770

 

 

$

293,585

 

Less: Accumulated amortization

 

 

(237,355

)

 

 

(231,987

)

 

 

$

64,415

 

 

$

61,598

 


Amortization expense in 2020 and 2019 was $5,368 and $5,368, respectively.